More info on unit control responsibility (#7016)

* do

* net.active()

core/src/mindustry/entities/comp/UnitComp.java

@@ -51,6 +51,7 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     //TODO could be better represented as a unit
     transient @Nullable UnitType dockedType;
 
+    transient String lastCommanded;
     transient float shadowAlpha = -1f, healTime;
     transient int lastFogPos;
     private transient float resupplyTime = Mathf.random(10f);