Fixes incorrect task bounds while moving a split-screen task to desk

Instead of preventing the request-override-config state change,
let’s clear the override bounds while resolving the
resolved-override-config.

Bug: 443079762
Bug: 427245857
Test: EnterDesktopFromSplitScreenWithAppHandleMenuFlickerTest
Flag: EXEMPT BUGFIX
Change-Id: I13eef9eeee3bbe10307b089c1719e9ce0f204510