chore(schema): hide schema on loading state

.nvmrc

+v19

libs/shared/lib/schema/panel/schema.tsx

@@ -187,7 +187,7 @@ export const Schema = (props: Props) => {
       </div>
       {nodes.length === 0 && !loading ? (
         <p className="text-sm">No Elements</p>
-      ) : (
+      ) : loading ? null : (
         <ReactFlowProvider>
           <div className="h-[calc(100%-.8rem)] w-full">
             <ReactFlow