avoid buttons being deformed in collapsed state
avoid buttons being deformed in collapsed state

unsure what this was doing before,
I suspect the BottomLeftMenu which is gone now.

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk