Make mouse_focus
and mouse_focus_mask
consistent for force_drag
#91425
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In
Viewport::_gui_force_drag
currentlyViewport::gui.mouse_focus
gets cleared, butViewport::gui.mouse_focus_mask
doesn't get cleared.This is an inconsistency which can cause a crash.
With the change of this PR,
mouse_focus_mask
also gets cleared. This is in alignment with how regular drag and drop clears both variables.resolve #91387