feat: Add frontend changes for Captain limits (#10749)

This PR introduces several improvements to the Captain AI dashboard
section:

- New billing page, with new colors, layout and meters for Captain usage
- Updated the base paywall component to use new colors
- Updated PageLayout.vue, it's more generic and can be used for other
pages as well
   - Use flags to toggle empty state and loading state
- Add prop for `featureFlag` to show the paywall slot based on feature
enabled on account
- Update `useAccount` to add a `isCloudFeatureEnabled`
- **Removed feature flag checks from captain route definitions**, so the
captain entry will always be visible on the sidebar
- Add banner to Captain pages for the following cases
   - Responses usage is over 80%
   - Documents limit is fully exhausted


### Screenshots

<details><summary>Free plan</summary>
<p>

![CleanShot 2025-01-22 at 18 37
11@2x](https://github.com/user-attachments/assets/17d3ddba-9095-4e81-9b6f-45b5f69e6a3f)
![CleanShot 2025-01-22 at 18 37
04@2x](https://github.com/user-attachments/assets/df9bb0a6-085f-45da-97d4-74cbcc33fc7e)


</p>
</details> 

<details><summary>Paid plan</summary>
<p>

![CleanShot 2025-01-22 at 18 36
45@2x](https://github.com/user-attachments/assets/a7ccf9d4-143b-49e4-8149-83c7a7985023)

![CleanShot 2025-01-22 at 20 23
57@2x](https://github.com/user-attachments/assets/c6ce35ba-e537-486d-85c8-4cc2d4e76438)


</p>
</details>

---------

Co-authored-by: Sojan Jose <sojan@pepalo.com>
Co-authored-by: Pranav <pranav@chatwoot.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/dashboard/components-next/captain/assistant/AssistantCard.vue

@@ -3,6 +3,7 @@ import { computed } from 'vue';
 import { useToggle } from '@vueuse/core';
 import { useI18n } from 'vue-i18n';
 import { dynamicTime } from 'shared/helpers/timeHelper';
+import { usePolicy } from 'dashboard/composables/usePolicy';
 
 import CardLayout from 'dashboard/components-next/CardLayout.vue';
 import DropdownMenu from 'dashboard/components-next/dropdown-menu/DropdownMenu.vue';
@@ -28,31 +29,41 @@ const props = defineProps({
 });
 
 const emit = defineEmits(['action']);
+const { checkPermissions } = usePolicy();
 
 const { t } = useI18n();
 
 const [showActionsDropdown, toggleDropdown] = useToggle();
 
-const menuItems = computed(() => [
-  {
-    label: t('CAPTAIN.ASSISTANTS.OPTIONS.VIEW_CONNECTED_INBOXES'),
-    value: 'viewConnectedInboxes',
-    action: 'viewConnectedInboxes',
-    icon: 'i-lucide-link',
-  },
-  {
-    label: t('CAPTAIN.ASSISTANTS.OPTIONS.EDIT_ASSISTANT'),
-    value: 'edit',
-    action: 'edit',
-    icon: 'i-lucide-pencil-line',
-  },
-  {
-    label: t('CAPTAIN.ASSISTANTS.OPTIONS.DELETE_ASSISTANT'),
-    value: 'delete',
-    action: 'delete',
-    icon: 'i-lucide-trash',
-  },
-]);
+const menuItems = computed(() => {
+  const allOptions = [
+    {
+      label: t('CAPTAIN.ASSISTANTS.OPTIONS.VIEW_CONNECTED_INBOXES'),
+      value: 'viewConnectedInboxes',
+      action: 'viewConnectedInboxes',
+      icon: 'i-lucide-link',
+    },
+  ];
+
+  if (checkPermissions(['administrator'])) {
+    allOptions.push(
+      {
+        label: t('CAPTAIN.ASSISTANTS.OPTIONS.EDIT_ASSISTANT'),
+        value: 'edit',
+        action: 'edit',
+        icon: 'i-lucide-pencil-line',
+      },
+      {
+        label: t('CAPTAIN.ASSISTANTS.OPTIONS.DELETE_ASSISTANT'),
+        value: 'delete',
+        action: 'delete',
+        icon: 'i-lucide-trash',
+      }
+    );
+  }
+
+  return allOptions;
+});
 
 const lastUpdatedAt = computed(() => dynamicTime(props.updatedAt));