Re-add clickPhase for FilePanel header button
Re-add clickPhase for FilePanel header button

vector-im/vector-web,martindale/vector,martindale/vector,vector-im/vector-web,vector-im/riot-web,vector-im/riot-web,vector-im/riot-web,vector-im/vector-web,vector-im/vector-web,vector-im/riot-web,vector-im/riot-web,vector-im/vector-web,vector-im/riot-web