* open stream * use std::atomic::exchange * emit streamStarted immediately old-commit-hash: a26e6d1633b994029e67611f7954250517f71acd
* new StreamDialog * choose dbc file * update last_dir * move to /streams * cleanup * add stretch * catch panda exception * cleanup * cleanup * small cleanup * fix pandaStream crash caused by a failed connection * static function to create stream widget * cleanup old-commit-hash: 590b1bc2062d8a7f1ec253e0d0c5ab94799524c1