Added initial setup of WorldScreen in worldscreen creation, so it doesn't take too long in the render, hopefully

core/src/com/unciv/ui/worldscreen/WorldScreen.kt

@@ -93,6 +93,13 @@ class WorldScreen : CameraStageBaseScreen() {
                     else -> Vector2.Zero
                 }
         tileMapHolder.setCenterPosition(tileToCenterOn,true)
+
+
+        // On the one hand, all updates to e.g. TileGroups need to happen on the main rendering thread.
+        // On the other hand, the initial setup requires setting up a lot of items on the map,
+        // and we would sometimes get an "Input dispatching timed out" ANR when doing so.
+        // Putting it in a postRunnnable is our way of attempting to avoid this.
+        Gdx.app.postRunnable { render(0f) }
     }
 
     // This is private so that we will set the shouldUpdate to true instead.
@@ -313,8 +320,11 @@ class WorldScreen : CameraStageBaseScreen() {
     }
 
     var shouldUpdate=true
+
+
     override fun render(delta: Float) {
         if (shouldUpdate) { //  This is so that updates happen in the MAIN THREAD, where there is a GL Context,
+
             if (currentPlayerCiv != gameInfo.getCurrentPlayerCivilization()) {
                 UnCivGame.Current.screen = PlayerReadyScreen(gameInfo.getCurrentPlayerCivilization())
                 return
@@ -325,6 +335,7 @@ class WorldScreen : CameraStageBaseScreen() {
             showTutorialsOnNextTurn()
             shouldUpdate = false
         }
+
         super.render(delta)
     }