chore: Update captain pending FAQ interface (#12752)

# Pull Request Template

## Description

**This PR includes,**
- Added new pending FAQs view with approve/edit/delete actions for each
response.
- Implemented banner notification showing pending FAQ count on main
approved responses page.
- Created dedicated route for pending FAQs review at
/captain/responses/pending.
- Added automatic pending count updates when switching assistants or
routes.
- Modified ResponseCard component to show action buttons instead of
dropdown in pending view.

Fixes
https://linear.app/chatwoot/issue/CW-5833/pending-faqs-in-a-different-ux

## Type of change

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

## How Has This Been Tested?

### Loom video
https://www.loom.com/share/5fe8f79b04cd4681b9360c48710b9373


## Checklist:

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

---------

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

app/javascript/dashboard/i18n/locale/en/integrations.json

@@ -861,6 +861,7 @@
     },
     "RESPONSES": {
       "HEADER": "FAQs",
+      "PENDING_FAQS": "Pending FAQs",
       "ADD_NEW": "Create new FAQ",
       "DOCUMENTABLE": {
         "CONVERSATION": "Conversation #{id}"
@@ -900,6 +901,10 @@
         "APPROVED": "Approved",
         "ALL": "All"
       },
+      "PENDING_BANNER": {
+        "TITLE": "Captain has found some FAQs your customers were looking for.",
+        "ACTION": "Click here to review"
+      },
       "FORM_DESCRIPTION": "Add a question and its corresponding answer to the knowledge base and select the assistant it should be associated with.",
       "CREATE": {
         "TITLE": "Add an FAQ",
@@ -931,9 +936,9 @@
         "APPROVE_SUCCESS_MESSAGE": "The FAQ was marked as approved"
       },
       "OPTIONS": {
-        "APPROVE": "Mark as approved",
-        "EDIT_RESPONSE": "Edit FAQ",
-        "DELETE_RESPONSE": "Delete FAQ"
+        "APPROVE": "Approve",
+        "EDIT_RESPONSE": "Edit",
+        "DELETE_RESPONSE": "Delete"
       },
       "EMPTY_STATE": {
         "TITLE": "No FAQs Found",