More balancing, made door interacting sync properly

core/src/io/anuke/mindustry/net/Packets.java

@@ -123,4 +123,8 @@ public class Packets {
         public int playerid;
         public byte left, right;
     }
+
+    public static class BlockTapPacket{
+        public int position;
+    }
 }

core/src/io/anuke/mindustry/net/Registrator.java

@@ -36,6 +36,7 @@ public class Registrator {
                 KickPacket.class,
                 UpgradePacket.class,
                 WeaponSwitchPacket.class,
+                BlockTapPacket.class,
 
                 Class.class,
                 byte[].class,