refactor(frontend): add CONNECTION_STATE and SUGGESTION_TYPE constants

- Add CONNECTION_STATE (disconnected, connecting, connected, failed)
- Add SUGGESTION_TYPE (toBeRecorded, toRecord)
- Update useWebRTC.js to use CONNECTION_STATE
- Update MatchChatPage.jsx to use CONNECTION_STATE
- Update RecordingTab.jsx to use SUGGESTION_TYPE

frontend/src/constants/index.js

@@ -1 +1,7 @@
-export { MATCH_STATUS, SUGGESTION_STATUS, MATCH_FILTER } from './statuses';
+export {
+  MATCH_STATUS,
+  SUGGESTION_STATUS,
+  MATCH_FILTER,
+  CONNECTION_STATE,
+  SUGGESTION_TYPE,
+} from './statuses';