add locked_controls to state.

src/component/main.vue

@@ -212,6 +212,7 @@
       sessions: {},
       settings: {
         private_mode: false,
+        locked_controls: false,
         implicit_hosting: false,
         inactive_cursors: false,
         merciful_reconnect: false,

src/component/types/state.ts

@@ -140,6 +140,7 @@ export interface Session {
 
 export interface Settings {
   private_mode: boolean
+  locked_controls: boolean
   implicit_hosting: boolean
   inactive_cursors: boolean
   merciful_reconnect: boolean