Add trial status widget to projects within group trial

What does this MR do and why?

Adds the trial status widget in the projects menu as per #344870 (closed)

Fix some display issues with the trial status widget

Screenshots or screen recordings

In project that is inside a group or subgroup with a trial

Remove focus, text decoration, etc to better match sidebar

before	after

How to set up and validate locally

1. Run the following commands in the rails console:

   # Turn on billing features in the app
   ApplicationSetting.first.update(check_namespace_plan: true)
   # Create a new User
   user = FactoryBot.create(:user, username: 'user_288015', email: 'user.288015@example.org', password: '12345678')
   # Create a new Group & assign the new user as its owner
   group = FactoryBot.create(:group)
   group.add_owner(user)
   # Find or create the Ultimate plan
   plan = Plan.create_with(title: 'Ultimate (Formerly Gold)').find_or_create_by(name: :ultimate)
   # Create a new subscription for the Group
   GitlabSubscription.create(namespace: group, hosted_plan: plan, seats: 10, start_date: Date.current, end_date: Date.current.advance(years: 1), trial: true, trial_starts_on: Date.current, trial_ends_on: Date.current.advance(days: 30))

2. Log into the app with username user_288015 and password 12345678

3. Navigate to Groups › Your Groups › “group1” (or whatever the group was named)

4. Create a project.

5. Check out the feature in the sidebar of the newly created project.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #344870 (closed)