Add Duo Pro end trial widget

What does this MR do and why?

Add an end trial widget experience for expired Duo Pro trials.

Design

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

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Existing active widget	New expired widget

How to set up and validate locally

• Setup gdk to simulate SaaS - https://docs.gitlab.com/ee/development/ee_features.html#simulate-a-saas-instance and restart GDK
• Sign out. Sign up and create new group during sign up or afterwards.

bin/rails c

GitlabSubscriptions::AddOn.find_or_create_by(name: 'code_suggestions', description: GitlabSubscriptions::AddOn.descriptions[:code_suggestions])
GitlabSubscription.last.update(trial: true, trial_starts_on: 45.days.ago, trial_ends_on: 15.days.ago)
GitlabSubscriptions::AddOnPurchase.create(subscription_add_on_id: GitlabSubscriptions::AddOn.find_by(name: 'code_suggestions').id, namespace: Group.last, organization_id: 1, started_at: 60.days.ago, expires_on: Date.today, trial: true, quantity: 1, purchase_xid: '1')

• Visit group page. Make sure you can see active Duo Pro trial widget.

bin/rails c

GitlabSubscriptions::AddOnPurchase.last.update(expires_on: 10.days.ago)

• Reload page. Make sure you cannot see Duo Pro trial widget.

bin/rails c

GitlabSubscription.last.update(trial_starts_on: 101.days.ago, trial_ends_on: 71.days.ago)

• Reload page. Make sure you can see expired Duo Pro trial widget.
• Click widget.
• Hover widget. Click Purchase now. Go back.
• Hover widget. Click Contact sales. Close form.
• Hover widget. Click Learn about Duo Pro.
• Mare sure frontend events are generated.
• Click dismiss button. Make sure the widget is dismissed.
• Reload the page. Make sure the widget is dismissed.

Event Tracking Requirements

sequence	activity	category	action	label
1	Duo Pro end trial status widget is clicked	trial_ended_widget	click_link	duo_pro_trial
2	Duo Pro end Trial status popover is rendered	duo_pro_trial_ended_popover	render_popover
3	Buy now is clicked in trial ended popover and user is directed to GitLab Duo Pro Add-on tab in /usage_quotas page	duo_pro_trial_ended_popover	click_button	purchase_now
4	Contact Sales button is clicked in Duo Pro trial ended popover and Duo Pro hand-raise PQL modal is opened	duo_pro_trial_ended_popover	click_button	contact_sales
5	'Learn more about feature` text link in Duo Pro Active Trial Status widget is clicked and user is directed to Duo Pro page on marketing site	duo_pro_trial_ended_popover	click_button	learn_about_duo_pro

Related to #455881