Fix parties at level cap gaining XP and thus spamming messages

Fixes #4686

src/main/java/com/gmail/nossr50/datatypes/party/Party.java

@@ -252,10 +252,10 @@ public class Party {
                     SoundManager.sendSound(leader, leader.getLocation(), SoundType.LEVEL_UP);
                 }
             }
-            return;
+        } else {
+            PartyManager.informPartyMembersLevelUp(this, levelsGained, getLevel());
         }
 
-        PartyManager.informPartyMembersLevelUp(this, levelsGained, getLevel());
     }
 
     public boolean hasReachedLevelCap() {

src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java

@@ -642,7 +642,7 @@ public class McMMOPlayer implements Identified {
 
         applyXpGain(skill, modifyXpGain(skill, xp), xpGainReason, xpGainSource);
 
-        if (party == null) {
+        if (party == null || party.hasReachedLevelCap()) {
             return;
         }
 

src/main/java/com/gmail/nossr50/util/EventUtils.java

@@ -370,7 +370,6 @@ public final class EventUtils {
         boolean isCancelled = event.isCancelled();
 
         if (isCancelled) {
-
             party.setLevel(party.getLevel() + levelsChanged);
             party.addXp(xpRemoved);
         }