fix: use correct damage check for power stone

src/main/java/uulm/teamname/marvelous/gamelibrary/gamelogic/GameLogic.java

@@ -147,7 +147,7 @@ public class GameLogic {
                             requireAlive(target);
                             requireOppositeTeam(origin, target);
 
-                            if(origin.rangedDamage * 2 != data.value) {
+                            if(origin.meleeDamage * 2 != data.value) {
                                 throw new InvalidRequestException("Invalid power stone damage");
                             }
                         }