fix: papi expansion does not persist

common/src/main/java/com/hibiscusmc/hmccosmetics/hooks/placeholders/HMCPlaceholderExpansion.java

@@ -47,6 +47,11 @@ public class HMCPlaceholderExpansion extends PlaceholderExpansion {
         return HMCCosmeticsPlugin.getInstance().getDescription().getVersion();
     }
 
+    @Override
+    public boolean persist() {
+        return true;
+    }
+
     @Override
     public String onRequest(@NotNull OfflinePlayer player, @NotNull String params) {
         if (!player.isOnline()) return null;