misc: homogenize source file line-endings to LF

src/commoncomponents/MaterialToolTip.qml

src/commoncomponents/PresenceIndicator.qml

src/commoncomponents/ResponsiveImage.qml

src/currentaccount.cpp

src/currentaccount.h

src/mainview/components/ConversationAvatar.qml

src/mainview/components/FilterTabButton.qml

src/mainview/components/MainOverlay.qml

src/mainview/components/ParticipantControlLayout.qml

src/mainview/components/ParticipantOverlayButton.qml

src/networkmanager.cpp

src/networkmanager.h

src/qtutils.h

src/screensaver.cpp

src/screensaver.h

src/settingsview/components/RevokeDevicePasswordDialog.qml

src/utilsadapter.cpp