feat: WarShips red color outside if target current player

Hard to know when warship captures your trade so if they target one of
your trade or war ship they are highlighted in red.
Known limitation: doesn't work well if the WarShip is already in red
(player's color)

src/core/execution/WarshipExecution.ts

@@ -96,6 +96,7 @@ export class WarshipExecution implements Execution {
         return distSortUnit(this.mg, this.warship)(a, b);
       })[0] ?? null;
 
+    this.warship.setTarget(this.target);
     if (this.target == null || this.target.type() != UnitType.TradeShip) {
       // Patrol unless we are hunting down a tradeship
       const result = this.pathfinder.nextTile(