fix: only check needed var

src/dumper/dumper.cs

@@ -156,7 +156,7 @@ class Dumper
 
     public void DumpCharacterIcons()
     {
-        if (_dataPak == null || _provider == null)
+        if (_provider == null)
             throw new InvalidOperationException("Attempted to call dump function without dumper initialization");
 
         _log.Info("Dumping character icons");