matrix-react-sdk

d6774fd8 - make the left panel collapse by only adding collapse class on container

make the left panel collapse by only adding collapse class on container as the resize handle is a sibling of the mxLeftPanel_container, that class is the one that has to collapse if we don't want to complicate the logic. So change style rules to check .mxLeftPanel_container.collapsed, and make left panel not break out of the container when it gets narrow by hiding the overflow