feat(V5): Update settings pages UI (#13396)

# Pull Request Template

## Description

This PR updates settings page UI


## Type of change

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


## 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

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

@@ -5,6 +5,9 @@
     "LOADING": "Fetching custom attributes",
     "DESCRIPTION": "A custom attribute tracks additional details about your contacts or conversations—such as the subscription plan or the date of their first purchase. You can add different types of custom attributes, such as text, lists, or numbers, to capture the specific information you need.",
     "LEARN_MORE": "Learn more about custom attributes",
+    "COUNT": "{n} attribute | {n} attributes",
+    "SEARCH_PLACEHOLDER": "Search attributes...",
+    "NO_RESULTS": "No attributes found matching your search",
     "ATTRIBUTE_MODELS": {
       "CONVERSATION": "Conversation",
       "CONTACT": "Contact"