feat: display total FAQ count in Related FAQs dialog (#13433)

## Description

Display the total count of generated FAQs in the Related FAQs dialog
title to give users immediate visibility into how many FAQs were
generated from a document.

## Type of change

Please delete options that are not relevant.

- [ ] New feature (non-breaking change which adds functionality)

## Snapshots?

<img width="717" height="268" alt="Screenshot 2026-02-04 at 1 47 36 AM"
src="https://github.com/user-attachments/assets/c3e927ce-6d09-499d-8d02-8a44e0c353e2"
/>


## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Low Risk**
> Small UI-only change using existing store metadata; risk is limited to
incorrect/blank counts if `meta.totalCount` is missing or stale.
> 
> **Overview**
> Updates the `RelatedResponses` dialog to display the total related
response count in the title by reading
`captainResponses/getMeta.totalCount` (defaulting to 0) and appending it
as `(<count>)`.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
7cd67c9991faceeff33d33c319e324b1c6cf73f4. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

app/javascript/dashboard/components-next/captain/pageComponents/document/RelatedResponses.vue

@@ -18,7 +18,9 @@ const dialogRef = ref(null);
 
 const uiFlags = useMapGetter('captainResponses/getUIFlags');
 const responses = useMapGetter('captainResponses/getRecords');
+const meta = useMapGetter('captainResponses/getMeta');
 const isFetching = computed(() => uiFlags.value.fetchingList);
+const totalCount = computed(() => meta.value.totalCount || 0);
 
 const handleClose = () => {
   emit('close');
@@ -37,7 +39,7 @@ defineExpose({ dialogRef });
   <Dialog
     ref="dialogRef"
     type="edit"
-    :title="t('CAPTAIN.DOCUMENTS.RELATED_RESPONSES.TITLE')"
+    :title="`${t('CAPTAIN.DOCUMENTS.RELATED_RESPONSES.TITLE')} (${totalCount})`"
     :description="t('CAPTAIN.DOCUMENTS.RELATED_RESPONSES.DESCRIPTION')"
     :show-cancel-button="false"
     :show-confirm-button="false"