feat: Create component to merge contacts (#2412)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/javascript/dashboard/modules/contact/stories/ContactIntro.stories.js

@@ -10,7 +10,7 @@ const Template = (args, { argTypes }) => ({
   props: Object.keys(argTypes),
   components: { ContactIntro },
   template:
-    '<contact-intro v-bind="$props" :user="user" @edit="onEdit" @message="onNewMessage" />',
+    '<contact-intro v-bind="$props" @edit="onEdit" @message="onNewMessage" />',
 });
 
 export const DefaultContactIntro = Template.bind({});