Fix scrolling on boards when filters don't fit inside the screen

What does this MR do and why?

Fixes #542062 (closed).

Screenshots or screen recordings

Before After
Screen_Recording_2025-05-13_at_11.42.01 Screen_Recording_2025-05-13_at_11.51.48

How to set up and validate locally

  1. Open any board
  2. Add lots of filters
  3. Observe scrolling working as expected

Merge request reports

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