Apollo boards - Fix filtering and scope

What does this MR do and why?

• Fix filtering when clicking on label in board card
• Fix editing board scope. Modal now closes on save and board updates without error
• Fix board being loaded with filter parameters in URL

Behind :apollo_boards feature flag

Screenshots or screen recordings

Before	After
Apollo_board_filter_bugs_-_Before	Apollo_board_filter_bugs_-_After

How to set up and validate locally

1. Turn on :apollo_boards feature flag
2. Visit a board
3. Click on a label in a card - Verify that the label is applied
4. Edit board scope - Verify that the scope is applied properly
5. Reload the page when filters are applied and verify they are properly maintained and loaded

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.