fix: use getIfPresent for recent action cache

Author: Arbousier1

src/main/java/top/ellan/mahjong/table/core/TableEventCoordinator.java

@@ -203,7 +203,7 @@ private boolean isProtectedTableEntity(Entity entity) {
     }
 
     private boolean isDuplicateDisplayAction(UUID playerId, DisplayClickAction action) {
-        RecentDisplayAction recent = this.recentDisplayActions.get(playerId);
+        RecentDisplayAction recent = this.recentDisplayActions.getIfPresent(playerId);
         if (recent == null || !recent.matches(action)) {
             return false;
         }