feat: Update the UI to support the change for Copilot as a universal copilot (#11618)

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

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

@@ -4,6 +4,7 @@
     "PHONE_INPUT": {
       "PLACEHOLDER": "Search",
       "EMPTY_STATE": "No results found"
-    }
+    },
+    "CLOSE": "Close"
   }
 }