misc: apply clang-formatting

src/accountadapter.cpp

src/accountlistmodel.cpp

src/accountlistmodel.h

src/accountstomigratelistmodel.cpp

src/accountstomigratelistmodel.h

src/appsettingsmanager.h

src/audiocodeclistmodel.cpp

src/audiocodeclistmodel.h

src/audioinputdevicemodel.cpp

src/audioinputdevicemodel.h

src/audiomanagerlistmodel.cpp

src/audiomanagerlistmodel.h

src/audiooutputdevicemodel.cpp

src/audiooutputdevicemodel.h

src/avadapter.cpp

src/avadapter.h

src/bannedlistmodel.cpp

src/bannedlistmodel.h

src/calladapter.cpp

src/calladapter.h