fix: Allow setting bounds while BoundedPositionBehavior's target is null
#2926
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Description
The
boundssetter ofBoundedPositionBehaviortries to update the target's position when bounds are updated. But it wasn't checking if the target is null. This was causing null exceptions while updating bounds of an unmountedBoundedPositionBehaviorwith null target (as seen in this failing test case). This PR fixes that by checking if the target is null before updating the position.Checklist
docsand added dartdoc comments with///.examplesordocs.Breaking Change?
Related Issues
Closes #2655