Fix map pane animation on RTL layout (close #6290)
Fix map pane animation on RTL layout (close #6290)

openstreetmap/iD,kartta-labs/iD,kartta-labs/iD,digidem/iD,morray/iD,openstreetmap/iD,openstreetmap/iD,morray/iD,kartta-labs/iD,digidem/iD