feat: integrate two factor authentication (#626)

* feat: integrate SNJS MFA with web

* fix: create rudimentary typings file for qrcode.react

* chore: lint fixes

* fix: address PR feedback

* fix: address PR feedback

* fix: address PR feedback 2

* fix: replace spread props on TwoFactorAuthWrapper component

* chore: change null check to undefined check

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

@@ -172,7 +172,7 @@ export class NotesState {
     } else {
       this.activeEditor.setNote(note);
     }
-    
+
     this.appState.noteTags.reloadTags();
     await this.onActiveEditorChanged();
 

app/assets/javascripts/ui_models/component_group.ts

@@ -1,7 +1,6 @@
 import { SNComponent, ComponentArea, removeFromArray, addIfUnique , UuidString } from '@standardnotes/snjs';
 import { WebApplication } from './application';
 
-
 /** Areas that only allow a single component to be active */
 const SingleComponentAreas = [
   ComponentArea.Editor,
@@ -82,7 +81,6 @@ export class ComponentGroup {
     return this.application.getAll(this.activeComponents) as SNComponent[];
   }
 
-
   /**
    * Notifies observer when the active editor has changed.
    */