refactor: rename states to view controllers (#1060)

app/assets/javascripts/Components/NoteGroupView/NoteGroupView.tsx

@@ -1,6 +1,6 @@
 import { NoteViewController } from '@standardnotes/snjs'
 import { PureComponent } from '@/Components/Abstract/PureComponent'
-import { WebApplication } from '@/UIModels/Application'
+import { WebApplication } from '@/Application/Application'
 import MultipleSelectedNotes from '@/Components/MultipleSelectedNotes/MultipleSelectedNotes'
 import NoteView from '@/Components/NoteView/NoteView'
 import { ElementIds } from '@/ElementIDs'
@@ -37,9 +37,9 @@ class NoteGroupView extends PureComponent<Props, State> {
     })
 
     this.autorun(() => {
-      if (this.appState && this.appState.notes) {
+      if (this.viewControllerManager && this.viewControllerManager.notesController) {
         this.setState({
-          showMultipleSelectedNotes: this.appState.notes.selectedNotesCount > 1,
+          showMultipleSelectedNotes: this.viewControllerManager.notesController.selectedNotesCount > 1,
         })
       }
     })
@@ -56,7 +56,7 @@ class NoteGroupView extends PureComponent<Props, State> {
     return (
       <div id={ElementIds.EditorColumn} className="h-full app-column app-column-third">
         {this.state.showMultipleSelectedNotes && (
-          <MultipleSelectedNotes application={this.application} appState={this.appState} />
+          <MultipleSelectedNotes application={this.application} viewControllerManager={this.viewControllerManager} />
         )}
 
         {!this.state.showMultipleSelectedNotes && (