Improves the WhatsApp template listing so account admins can understand
template state and refresh templates from one place. Templates that have
not entered the WhatsApp approval flow now use clearer wording, the
latest sync attempt appears once at page level, and templates can be
filtered by content type.
The page can now start a template sync across all active WhatsApp
inboxes in the account and reports complete or partial failures. The New
template action is removed for now; provider-side template management
remains unchanged.
### Related
Related: https://github.com/chatwoot/chatwoot/pull/15312
### How to test
1. Open **Settings → Templates** in an account with WhatsApp templates.
2. Confirm the latest sync attempt appears below the page description
and is no longer repeated on every template.
3. Confirm an unsubmitted template displays **Not submitted for WhatsApp
approval**.
4. Filter templates by content type and verify the list updates.
5. Click **Sync templates** and confirm sync starts for the account's
active WhatsApp inboxes.
6. Confirm the **New template** button is not displayed.
Co-authored-by: Muhsin <12408980+muhsin-k@users.noreply.github.com>
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