Fixed some multiplayer bugs

core/src/mindustry/input/DesktopInput.java

@@ -728,12 +728,9 @@ public class DesktopInput extends InputHandler{
                 }
 
                 Call.commandUnits(player, ids, attack instanceof Building b ? b : null, attack instanceof Unit u ? u : null, target);
-
             }
         }
 
-
-
         return super.tap(x, y, count, button);
     }
 

core/src/mindustry/input/InputHandler.java

@@ -194,6 +194,9 @@ public abstract class InputHandler implements InputProcessor, GestureListener{
     public static void commandUnits(Player player, int[] unitIds, @Nullable Building buildTarget, @Nullable Unit unitTarget, @Nullable Vec2 posTarget){
         if(player == null || unitIds == null) return;
 
+        //why did I ever think this was a good idea
+        if(unitTarget != null && unitTarget.isNull()) unitTarget = null;
+
         if(net.server() && !netServer.admins.allowAction(player, ActionType.commandUnits, event -> {
             event.unitIDs = unitIds;
         })){