Add Transfer Tab to conditionally render in CE

What does this MR do and why?

This implements Add Transfer tab/app to conditionally render in CE (#393443 - closed)

• This piece is under usage_quotas_for_all_editions Feature Flag.
• The Transfer Tab is under data_transfer_monitoring Feature Flag.

Now that we finished with #440195 (closed), i.e. after we merge !143633 (merged) and !143637 (merged), we're now able to migrate other tabs. The migration here is simpler because we just need to conditionally render this tab.

In other words: This tab will be hooked to an App that is in CE but will only render in EE.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

usage_quotas_for_all_editions off	usage_quotas_for_all_editions on

How to set up and validate locally

Enable Transfer Tab

1. Enable the data_transfer_monitoring feature flag
   • bin/rails console
   • Feature.enable(:data_transfer_monitoring)
2. Seed the data
   • Open the console bin/rails console
   • Go to https://gitlab.com/-/snippets/2522604
   • Copy the class code and paste it in the console
   • Find a group with some projects in it and make note of the group id (displayed on the overview page)
   • Run PopulateDataTransfer.run(<group_id>) in the console; e.g. PopulateDataTransfer.run(89)
   • Press q then type exit to get back to the normal command prompt
3. Navigate to your group -> Settings -> Usage quotas
4. Click on the Transfer tab

The expected behavior

We need to validate this in 4 scenarios:

1. GitLab EE Unlicensed: this is probably how your GDK is right now. If you have a license in your GDK, remove it in https://gdk.test:3443/admin/subscription
2. GitLab EE: by having a test license in your GDK.
3. GitLab SaaS: setup a license like the above and simulate SaaS
4. GitLab CE: by executing
   1. export FOSS_ONLY=1
   2. gdk restart
   3. Tanuki gdk website icon (the one in the browser tab) should be blue, then you're in CE

Now go to your Group Usage Quotas: https://gdk.test:3443/groups/<your-group-here>/-/usage_quotas and check if your local setup matches the expected behavior.

• To enable the FF: Feature.enable(:usage_quotas_for_all_editions)
• To disable the FF: Feature.disable(:usage_quotas_for_all_editions)

Expected behavior:

GitLab Distribution	Expected behavior FF off	Expected behavior FF on
GitLab EE Unlicensed	Renders a 404 page	Renders the Transfer tab alongside the others
GitLab EE	Loads the page normally	Renders the Transfer tab alongside the others
GitLab SaaS	Page loads normally	Renders the Transfer tab alongside the others
GitLab CE	Renders a 404 page	Renders only the storage tab

assigned to @sheldonled

added backend frontend labels

	2 Warnings
	4cb47d46: Commits that change 30 or more lines across at least 3 files should describe these changes in the commit body. For more information, take a look at our Commit message guidelines.
	You've made some app changes, but didn't add any tests. That's OK as long as you're refactoring existing code, but please consider adding any of the maintenancepipelines, maintenancerefactor, maintenanceworkflow, documentation, QA labels.

	1 Message
	CHANGELOG missing: If this merge request needs a changelog entry, add the Changelog trailer to the commit message you want to add to the changelog. If this merge request doesn't need a CHANGELOG entry, feel free to ignore this message.

Reviewer roulette

Category	Reviewer	Maintainer
backend	@ddieulivol (UTC+1, 1 hour ahead of author)	@alberts-gitlab (UTC+8, 8 hours ahead of author)
frontend	@rhardarson (UTC+1, 1 hour ahead of author)	@cngo (UTC+0, same timezone as author)

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changed the description

added grouputilization typemaintenance labels and removed backend frontend labels

added devopsfulfillment sectionfulfillment labels

added frontend label

mentioned in issue #393443 (closed)

Bundle size analysis [beta]

This compares changes in bundle size for entry points between the commits e5efd042 and ad70a4c1

Special assets

Entrypoint / Name	Size before	Size after	Diff	Diff in percent
average	4.21 MB	4.21 MB	-	0.0 %
mainChunk	3.21 MB	3.21 MB	-	0.0 %

---

Note: We do not have exact data for e5efd042. So we have used data from: db5ad86f.
The intended commit has no webpack pipeline, so we chose the last commit with one before it.

Please look at the full report for more details

---

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changed milestone to %16.10

changed the description

added 651 commits

• e635dfa8...5629735e - 650 commits from branch master
• d9d7fe86 - Add Transfer Tab to conditionally render in CE

Compare with previous version

added backend label

@aalakkad can you give this an initial review, please?

Same as before, I removed the backend review because we're just doing a small change in a haml file, so I don't believe we need the extra review cycles.

/cc @kpalchyk just so you're in the loop, and also if you want to give any suggestions that didn't make into !144971 (merged) and !145006 (merged).

After we're finished with the initial review, please pass it on to @jivanvl for maintainer review

Thanks in advance.

requested review from @aalakkad

Quarantined Fulfillment QA E2E Tests

The following Fulfillment QA E2E tests are in quarantine. If your changes would be covered by these tests, please be sure to perform manual testing.

Description	Location
Fulfillment without active subscription behaves like Purchase storage adds additional storage to group namespace	./qa/specs/features/ee/browser_ui/11_fulfillment/purchase/purchase_storage_spec.rb[1:1:1:1]
Fulfillment with an active subscription behaves like Purchase storage adds additional storage to group namespace	./qa/specs/features/ee/browser_ui/11_fulfillment/purchase/purchase_storage_spec.rb[1:2:1:1]
Fulfillment with existing compute minutes packs behaves like Purchase storage adds additional storage to group namespace	./qa/specs/features/ee/browser_ui/11_fulfillment/purchase/purchase_storage_spec.rb[1:3:1:1]
Fulfillment Utilization when admin sets user cap limit for group shows members over limit as pending for approvals	./qa/specs/features/ee/browser_ui/11_fulfillment/utilization/saas_user_caps_spec.rb[1:1:1:1]

removed backend label