feat: update colors for v4 (#10660)

Porting changes from https://github.com/chatwoot/chatwoot/pull/10552

---------

Co-authored-by: Pranav <pranav@chatwoot.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Vishnu Narayanan <vishnu@chatwoot.com>
Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>
Co-authored-by: Pranav <pranavrajs@gmail.com>

app/javascript/dashboard/components-next/avatar/Avatar.vue

@@ -174,7 +174,7 @@ watch(
 </script>
 
 <template>
-  <span class="relative inline-flex group/avatar" :style="containerStyles">
+  <span class="relative inline-flex group/avatar z-0" :style="containerStyles">
     <!-- Status Badge -->
     <slot name="badge" :size="size">
       <div