fix: improve cleanup logic (#11)

This commit refines the cleanup process in the SuperDocTemplateBuilder component by ensuring that the instance is properly referenced before calling the destroy method. It also resets additional references to prevent memory leaks.

Author: caio-pizzol

src/index.tsx

@@ -496,12 +496,16 @@ const SuperDocTemplateBuilder = forwardRef<
     initSuperDoc();
 
     return () => {
-      if (superdocRef.current) {
-        if (typeof superdocRef.current.destroy === "function") {
-          superdocRef.current.destroy();
-        }
-        superdocRef.current = null;
+      triggerCleanupRef.current = null;
+      menuTriggerFromRef.current = null;
+
+      const instance = superdocRef.current;
+
+      if (instance && typeof instance.destroy === "function") {
+        instance.destroy();
       }
+
+      superdocRef.current = null;
     };
   }, [
     document?.source,