feat: Delete a contact from the contacts page (#11529)

# Pull Request Template

## Description


**This PR includes:**

1. Adds the ability to delete a contact from the contacts list accordion
section.
2. Improves the expand/collapse transition for the accordion.


Fixes
[CW-4375](https://linear.app/chatwoot/issue/CW-4375/allow-users-to-delete-a-contact-from-the-contacts-page)

## Type of change

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

## How Has This Been Tested?

### Loom video

https://www.loom.com/share/8c897d24737f40f6b8b29fef76ba18e2?sid=70910b9d-f3db-4d54-8bfc-820db680e537


## 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

---------

Co-authored-by: Pranav <pranavrajs@gmail.com>

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

@@ -458,6 +458,10 @@
             "PLACEHOLDER": "Add Twitter"
           }
         }
+      },
+      "DELETE_CONTACT": {
+        "MESSAGE": "This action is permanent and irreversible.",
+        "BUTTON": "Delete now"
       }
     },
     "DETAILS": {
@@ -467,7 +471,7 @@
       "DELETE_CONTACT": "Delete contact",
       "DELETE_DIALOG": {
         "TITLE": "Confirm Deletion",
-        "DESCRIPTION": "Are you sure you want to delete this {contactName} contact?",
+        "DESCRIPTION": "Are you sure you want to delete this contact?",
         "CONFIRM": "Yes, Delete",
         "API": {
           "SUCCESS_MESSAGE": "Contact deleted successfully",