GODT-919 GODT-1022 GODT-947 Logs and signals

+ Added startup logs
+ Added wait group for update notifications
+ Changed hooks in debug and trace level

internal/frontend/qt-ie/frontend_nogui.go

@@ -50,6 +50,9 @@ func (s *FrontendHeadless) NotifyManualUpdate(update updater.VersionInfo, canIns
 func (s *FrontendHeadless) SetVersion(update updater.VersionInfo) {
 }
 
+func (s *FrontendHeadless) WaitUntilFrontendIsReady() {
+}
+
 func (s *FrontendHeadless) NotifySilentUpdateInstalled() {
 }