oops, don't try to delete nonexistent tags when moving a room from conversations to favs or similar
oops, don't try to delete nonexistent tags when moving a room from conversations to favs or similar

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