Add upload blob modal component
What does this MR do?
The MR re-adds the UploadBlobModal component to the code base. This was originally implemented in !53623 (merged) but later reverted in !55548 (merged) due to an additional area of code which broke because it wasn't set to use this new modal.
This MR is an attempt to make the migration MR smaller by adding the standalone component back to the codebase before implementing it in the 3 required areas.
Screenshots (strongly suggested)
Does this MR meet the acceptance criteria?
Conformity
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📋 Does this MR need a changelog?- [-] I have included a changelog entry.
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I have not included a changelog entry because this is not a user facing change.
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Code review guidelines - [-] Merge request performance guidelines
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Style guides - [-] Database guides
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Separation of EE specific content
Availability and Testing
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Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process. - [-] Tested in all supported browsers
- [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done
Security
If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:
- [-] Label as security and @ mention
@gitlab-com/gl-security/appsec
- [-] The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
- [-] Security reports checked/validated by a reviewer from the AppSec team
Edited by Brandon Labuschagne