fix: Update design to fix the crowded header (#11633)

**Before:**

<img width="907" alt="Screenshot 2025-05-29 at 3 21 00 PM"
src="https://github.com/user-attachments/assets/7738f684-7e9f-40ff-ac49-d9b389eca99b"
/>

**After:**
<img width="903" alt="Screenshot 2025-05-29 at 3 20 33 PM"
src="https://github.com/user-attachments/assets/1213d832-59d8-4d04-be96-f711297a887d"
/>

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

@@ -70,6 +70,7 @@
       "RESOLVE_ACTION": "Resolve",
       "REOPEN_ACTION": "Reopen",
       "OPEN_ACTION": "Open",
+      "MORE_ACTIONS": "More actions",
       "OPEN": "More",
       "CLOSE": "Close",
       "DETAILS": "details",