fix(dashboard): improvements for both funnel and conversion chart

apps/start/src/components/feedback-button.tsx

@@ -1,5 +1,5 @@
 import { op } from '@/utils/op';
-import { useLocation, useRouteContext } from '@tanstack/react-router';
+import { useRouteContext } from '@tanstack/react-router';
 import { SparklesIcon } from 'lucide-react';
 import { Button } from './ui/button';
 
@@ -12,13 +12,15 @@ export function FeedbackButton() {
       icon={SparklesIcon}
       onClick={() => {
         op.track('feedback_button_clicked');
-        if ('uj' in window) {
-          (window.uj as any).identify({
+        if ('uj' in window && window.uj !== undefined) {
+          (window as any).uj.identify({
             id: context.session?.userId,
             firstName: context.session?.user?.firstName,
             email: context.session?.user?.email,
           });
-          (window.uj as any).showWidget();
+          setTimeout(() => {
+            (window as any).uj.showWidget();
+          }, 10);
         }
       }}
     >