edit initial expanding and fix many BottomSheet related bugs (fix #10718)
edit initial expanding and fix many BottomSheet related bugs (fix #10718)

cgeo/cgeo,tobiasge/cgeo,tobiasge/cgeo,cgeo/cgeo,tobiasge/cgeo,cgeo/cgeo,rsudev/c-geo-opensource,rsudev/c-geo-opensource,cgeo/cgeo,rsudev/c-geo-opensource