♻️(frontend) align RecordingStateToast i18n keys with component name

Update translation keys to match component naming convention for improved
code maintainability and clarity.

src/frontend/src/features/recording/components/RecordingStateToast.tsx

@@ -12,7 +12,7 @@ import { RecordingStatus, recordingStore } from '@/stores/recording'
 
 export const RecordingStateToast = () => {
   const { t } = useTranslation('rooms', {
-    keyPrefix: 'recordingBadge',
+    keyPrefix: 'recordingStateToast',
   })
   const room = useRoomContext()
 

src/frontend/src/locales/en/rooms.json

@@ -320,7 +320,7 @@
       }
     }
   },
-  "recordingBadge": {
+  "recordingStateToast": {
     "transcript": {
       "started": "Transcribing",
       "starting": "Transcription starting",

src/frontend/src/locales/fr/rooms.json

@@ -320,7 +320,7 @@
       }
     }
   },
-  "recordingBadge": {
+  "recordingStateToast": {
     "transcript": {
       "started": "Transcription en cours",
       "starting": "Démarrage de la transcription",

src/frontend/src/locales/nl/rooms.json

@@ -320,7 +320,7 @@
       }
     }
   },
-  "recordingBadge": {
+  "recordingStateToast": {
     "transcript": {
       "started": "Transcriptie bezig",
       "starting": "Transcriptie begint",