Added a search bar to `Admin > Geo > Projects`

What does this MR do?

Adds search bar functionality to the Admin > Geo > Projects screen

Screenshots

What are the relevant issue numbers?

#8121 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• EE specific content should be in the top level /ee folder

Closes #8121 (closed)