feat: added an option to control playhead animation fps

src/core/config/ConfigManager.ts

@@ -64,6 +64,9 @@ interface AppConfig {
       qua_len_1_16: string;
     };
   };
+  editor: {
+    playhead_update_frequency: number;
+  };
   chatbox: {
     default_open: boolean;
   };
@@ -225,6 +228,9 @@ export class ConfigManager {
             qua_len_1_16: '0'
           },
         },
+        editor: {
+          playhead_update_frequency: 10
+        },
         chatbox: {
           default_open: true
         },