video: fix rendering on linux

src/accountadapter.cpp

src/accountadapter.h

src/avadapter.cpp

src/avadapter.h

src/commoncomponents/PhotoboothView.qml

src/distantrenderer.cpp

src/mainview/components/VideoCallPage.qml

src/previewrenderer.cpp

src/previewrenderer.h

src/qmlregister.cpp

src/rendermanager.cpp

src/rendermanager.h

src/settingsview/SettingsView.qml

src/settingsview/components/AvSettingPage.qml

src/settingsview/components/SettingsComboBox.qml

src/settingsview/components/VideoSettings.qml

src/utilsadapter.cpp

src/utilsadapter.h