perf: Limiting the suggested binding to fix performance issue (#6877)

src/components/App.tsx

@@ -7379,6 +7379,9 @@ class App extends React.Component<AppProps, AppState> {
   private maybeSuggestBindingForAll(
     selectedElements: NonDeleted<ExcalidrawElement>[],
   ): void {
+    if (selectedElements.length > 50) {
+      return;
+    }
     const suggestedBindings = getEligibleElementsForBinding(selectedElements);
     this.setState({ suggestedBindings });
   }