feat: C and P both toggle between Clipper/Player modes

Co-authored-by: Cursor <cursoragent@cursor.com>

src/App.svelte

@@ -225,18 +225,10 @@
         break;
       case 'p':
       case 'P':
-        e.preventDefault();
-        setAppMode('player');
-        if (preferences.appMode !== 'player') {
-          showPlayerControls = true;
-          showToolbar = true;
-          resetControlsTimer();
-        }
-        break;
       case 'c':
       case 'C':
         e.preventDefault();
-        setAppMode('clipper');
+        toggleMode();
         break;
       case 'f':
       case 'F':