🐛(frontend) fix inverted keyboard shortcuts for video and microphone

Correct accidentally swapped keyboard shortcuts between video and
microphone toggle controls introduced during device component
refactoring, restoring expected shortcut behavior reported by users.

src/frontend/src/features/rooms/livekit/hooks/useDeviceShortcut.ts

@@ -6,12 +6,12 @@ export const useDeviceShortcut = (kind: MediaDeviceKind) => {
     switch (kind) {
       case 'audioinput':
         return {
-          key: 'e',
+          key: 'd',
           ctrlKey: true,
         }
       case 'videoinput':
         return {
-          key: 'd',
+          key: 'e',
           ctrlKey: true,
         }
       default: