Add marker instruction to world processors (#9087)

* Basic implementation of world processor marker control

* Add line marker, some marker control fixes

* Add remote for setting markers, add marker writer/reader to TypeIO

* Add sides cap to ShapeTextMarker's draw() method

* Marker instruction code refactor, revert accident auto-formatting, fix marker control bugs

* Cleanup LMarkerControl.java

* Remove deleted marker controls from MapObjectives

* Marker control method refactor, fix minimap marker rendering

* Refactor, proper double comparsion in MapObjectives

* Fix line marker's color not changing through world processors

core/src/mindustry/graphics/OverlayRenderer.java

@@ -118,6 +118,10 @@ public class OverlayRenderer{
             for(var marker : obj.markers) marker.draw();
         });
 
+        for(var marker : state.rules.markers.values()){
+            if(marker != null)marker.draw();
+        }
+
         if(player.dead()) return; //dead players don't draw
 
         InputHandler input = control.input;