Fixed EXT-4646 ([BSI] Movement controls close after hitting stand) - reason: fix for bug EXT-2504 (black bars present at top and bottom when in mouselook) (changing parent visibility of panel with "Stand/Stop flying" buttons) - fix: updated condition to process visibility of the parent of the panel with "Stand/Stop flying" buttons: only if panel is not attached to Move Floater 	NOTE: The same problem was for EXT-3632 (Move floater closes after user click on Stop Flying btn) 	Reverted that fix for Stop flying button to be consistent with "Stand".
Fixed EXT-4646 ([BSI] Movement controls close after hitting stand)
- reason: fix for bug EXT-2504 (black bars present at top and bottom when in mouselook) (changing parent visibility of panel with "Stand/Stop flying" buttons)
- fix: updated condition to process visibility of the parent of the panel with "Stand/Stop flying" buttons: only if panel is not attached to Move Floater
	NOTE: The same problem was for EXT-3632 (Move floater closes after user click on Stop Flying btn)
	Reverted that fix for Stop flying button to be consistent with "Stand".

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