feat: SLA List Item component (#9135)

- Base settings list and list item components.
- SLA list item component.

Fixes: https://linear.app/chatwoot/issue/CW-3126/create-a-sla-list-item-component-with-the-new-design


Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/assets/scss/_layout.scss

@@ -1,11 +1,10 @@
 // scss-lint:disable SpaceAfterPropertyColon
-// @import 'shared/assets/fonts/inter';
-
+@import 'shared/assets/fonts/inter';
+// Inter,
 html,
 body {
   font-family:
     'PlusJakarta',
-    Inter,
     -apple-system,
     system-ui,
     BlinkMacSystemFont,