Update project star/unstar tooltip

What does this MR do?

Fixes project toggle star button tooltip to show actual tooltip for its state.

Are there points in the code the reviewer needs to double check?

No.

Why was this MR needed?

• When you star a project tooltip wasn't changing.
• When you star a project and refresh the page, tooltip was still showing Star Project

What are the relevant issue numbers?

Fixes #18143 (closed)

Screenshots (if relevant)

Before

After

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together