feat: Show conversation count for filters/folders in header (#11698)

# Pull Request Template

## Description

Fixes
https://linear.app/chatwoot/issue/CW-4467/show-the-conversation-count-at-the-top-for-filters-and-folders

## Type of change

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

## How Has This Been Tested?

### Screenshots
<img width="637" alt="image"
src="https://github.com/user-attachments/assets/8c167130-f41a-45ce-a70e-bba99d74050f"
/>
<img width="637" alt="image"
src="https://github.com/user-attachments/assets/769bc488-e4d9-40fb-9760-62434761617b"
/>




## Checklist:

- [x] My code follows the style guidelines of this project
- [x] 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
- [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

app/javascript/dashboard/components/ChatList.vue

@@ -853,6 +853,8 @@ watch(conversationFilters, (newVal, oldVal) => {
       :has-active-folders="hasActiveFolders"
       :active-status="activeStatus"
       :is-on-expanded-layout="isOnExpandedLayout"
+      :conversation-stats="conversationStats"
+      :is-list-loading="chatListLoading"
       @add-folders="onClickOpenAddFoldersModal"
       @delete-folders="onClickOpenDeleteFoldersModal"
       @filters-modal="onToggleAdvanceFiltersModal"