feat: Agent capacity policy Create/Edit pages (#12424)

# Pull Request Template

## Description

Fixes
https://linear.app/chatwoot/issue/CW-5573/feat-createedit-agent-capacity-policy-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/8de9e3c5d8824cd998d242636540dd18?sid=1314536f-c8d6-41fd-8139-cae9bf94f942

### Screenshots

**Light mode**
<img width="1666" height="1225" alt="image"
src="https://github.com/user-attachments/assets/7e6d83a4-ce02-47a7-91f6-87745f8f5549"
/>
<img width="1666" height="1225" alt="image"
src="https://github.com/user-attachments/assets/7dd1f840-2e25-4365-aa1d-ed9dac13385a"
/>

**Dark mode**
<img width="1666" height="1225" alt="image"
src="https://github.com/user-attachments/assets/0c787095-7146-4fb3-a61a-e2232973bcba"
/>
<img width="1666" height="1225" alt="image"
src="https://github.com/user-attachments/assets/481c21fd-03b5-4c1f-b59e-7f8c8017f9ce"
/>


## 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
- [x] 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: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/dashboard/components-next/Contacts/ContactLabels/ContactLabels.vue

@@ -86,8 +86,8 @@ const handleLabelAction = async ({ value }) => {
   }
 };
 
-const handleRemoveLabel = labelId => {
-  return handleLabelAction({ value: labelId });
+const handleRemoveLabel = label => {
+  return handleLabelAction({ value: label.id });
 };
 
 watch(