improved refreshed button

mobile/app/src/main/java/com/odweta/solon/Launch.kt

@@ -87,16 +87,18 @@ fun launchContinue(
     if (!internetAwaitListenerRunning)
         setOnInternetAvailListener(ctx)
 
+    if (!global.launched) {
+        // show the default (main) screen
+        global.currentScreen = Screen.Main
+
+        // inside show the timetable
+        global.currentScreenElement = ScreenElement.Timetable
+    }
+
     global.launched = true
     global.refreshed = true
     refreshButtonContentColor.value = Color.White
 
-    // show the default (main) screen
-    global.currentScreen = Screen.Main
-
-    // inside show the timetable
-    global.currentScreenElement = ScreenElement.Timetable
-
     // show the full name of the user in the toolbar as a status
     if (Util.internetAvail(ctx)) {
         statusFactory.show(StatusType.NameRole)