Enforce MONSTERTYPERESTRICTS on player targets

Players use their race rune's rune_sub_type, like mobs. Only GOR-003
Crimson Pact (single-target ghoul transformation) restricts player
types: it no longer lands on Centaur 2004/2005, Dwarf 2006 or Vampire
2028/2029, matching its description ("Cannot be cast on a vampire,
centaur, or dwarf"). No player race rune has sub-type Siege, so the
Siege-restricted PC/GROUP powers are unaffected.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/gameManager/PowersManager.java

@@ -1295,6 +1295,8 @@ public enum PowersManager {
 
         if (target.getObjectType() == GameObjectType.Mob)
             raceRune = RuneTemplate._runes.get(((Mob) target).getMobBaseID());
+        else if (target.getObjectType() == GameObjectType.PlayerCharacter && ((PlayerCharacter) target).race != null)
+            raceRune = RuneTemplate._runes.get(((PlayerCharacter) target).race.getRaceRuneID());
 
         return raceRune != null && pb.monsterTypeRestrictions.contains(raceRune.rune_sub_type);
     }