feat: Add new message bubbles (#10481)

---------

Co-authored-by: Pranav <pranavrajs@gmail.com>

app/javascript/dashboard/components-next/message/stories/EmailMessages.story.vue

@@ -0,0 +1,45 @@
+<script setup>
+import Message from '../Message.vue';
+
+import simpleEmail from '../fixtures/simpleEmail.js';
+import fullConversation from '../fixtures/emailConversation.js';
+import newsletterEmail from '../fixtures/newsletterEmail.js';
+
+const failedEmail = {
+  ...simpleEmail[0],
+  status: 'failed',
+  senderId: 1,
+  senderType: 'User',
+  contentAttributes: {
+    ...simpleEmail[0].contentAttributes,
+    externalError: 'Failed to send email',
+  },
+};
+</script>
+
+<template>
+  <Story
+    title="Components/Messages/Email"
+    :layout="{ type: 'grid', width: '800px' }"
+  >
+    <Variant title="Simple Email">
+      <div class="p-4 bg-n-background rounded-lg w-full min-w-5xl grid">
+        <template v-for="message in fullConversation" :key="message.id">
+          <Message :current-user-id="1" is-email-inbox v-bind="message" />
+        </template>
+      </div>
+    </Variant>
+    <Variant title="Newsletter">
+      <div class="p-4 bg-n-background rounded-lg w-full min-w-5xl grid">
+        <template v-for="message in newsletterEmail" :key="message.id">
+          <Message :current-user-id="1" is-email-inbox v-bind="message" />
+        </template>
+      </div>
+    </Variant>
+    <Variant title="Failed Email">
+      <div class="p-4 bg-n-background rounded-lg w-full min-w-5xl grid">
+        <Message :current-user-id="1" is-email-inbox v-bind="failedEmail" />
+      </div>
+    </Variant>
+  </Story>
+</template>