⬆️(frontend) upgrade frontend to ESLint 9

Manually upgrade the frontend codebase to ESLint 9.

Update the linting configuration and related code where required to
maintain compatibility with the new major version.

src/frontend/src/features/rooms/api/muteParticipants.ts

@@ -12,7 +12,9 @@ export const useMuteParticipants = () => {
       return Promise.all(promises)
     } catch (error) {
       console.error('An error occurred while muting participants :', error)
-      throw new Error('An error occurred while muting participants.')
+      throw new Error('An error occurred while muting participants.', {
+        cause: error,
+      })
     }
   }
   return { muteParticipants }