refactor: migrate account-menu to react - implement functionality

- implement different handlers, such as set/change/remove passcode, etc.
- setup correct initial values
- rename React component

app/assets/javascripts/ui_models/app_state/account_menu_react_state.ts

@@ -1,7 +1,7 @@
 import { action, makeObservable, observable } from "mobx";
 import { WebApplication } from '@/ui_models/application';
 
-export class AccountMenuState2 {
+export class AccountMenuStateReact {
   show = false;
   signingOut = false;
 

app/assets/javascripts/ui_models/app_state/app_state.ts

@@ -21,7 +21,7 @@ import { SyncState } from './sync_state';
 import { SearchOptionsState } from './search_options_state';
 import { NotesState } from './notes_state';
 import { TagsState } from './tags_state';
-import { AccountMenuState2 } from '@/ui_models/app_state/account_menu_2_state';
+import { AccountMenuStateReact } from '@/ui_models/app_state/account_menu_react_state';
 
 export enum AppStateEvent {
   TagChanged,
@@ -62,8 +62,7 @@ export class AppState {
   selectedTag?: SNTag;
   showBetaWarning: boolean;
   readonly accountMenu = new AccountMenuState();
-  // readonly accountMenu2 = new AccountMenu_2_State();
-  readonly accountMenu2: AccountMenuState2;
+  readonly accountMenuReact: AccountMenuStateReact;
   readonly actionsMenu = new ActionsMenuState();
   readonly noAccountWarning: NoAccountWarningState;
   readonly sync = new SyncState();
@@ -99,10 +98,7 @@ export class AppState {
       application,
       this.appEventObserverRemovers
     );
-    this.accountMenu2 = new AccountMenuState2(
-      // application,
-      // this.appEventObserverRemovers
-    );
+    this.accountMenuReact = new AccountMenuStateReact();
     this.searchOptions = new SearchOptionsState(
       application,
       this.appEventObserverRemovers