many small fixes from Intellij analysis

src/public/app/components/main_tree_executors.js

@@ -47,7 +47,7 @@ export default class MainTreeExecutors extends Component {
         }
 
         const parentNotePath = treeService.getNotePath(node.getParent());
-        const isProtected = await treeService.getParentProtectedStatus(node);
+        const isProtected = treeService.getParentProtectedStatus(node);
 
         if (node.data.noteId === 'root' || node.data.noteId === hoistedNoteService.getHoistedNoteId()) {
             return;

src/public/app/components/note_context.js

@@ -152,7 +152,7 @@ class NoteContext extends Component {
         return resolvedNotePath;
     }
 
-    /** @property {FNote} */
+    /** @returns {FNote} */
     get note() {
         if (!this.noteId || !(this.noteId in froca.notes)) {
             return null;
@@ -161,7 +161,7 @@ class NoteContext extends Component {
         return froca.notes[this.noteId];
     }
 
-    /** @property {string[]} */
+    /** @returns {string[]} */
     get notePathArray() {
         return this.notePath ? this.notePath.split('/') : [];
     }

src/public/app/components/tab_manager.js

@@ -14,6 +14,8 @@ export default class TabManager extends Component {
     constructor() {
         super();
 
+        /** @property {NoteContext[]} */
+        this.children = [];
         this.mutex = new Mutex();
 
         this.activeNtxId = null;
@@ -38,7 +40,7 @@ export default class TabManager extends Component {
         appContext.addBeforeUnloadListener(this);
     }
 
-    /** @type {NoteContext[]} */
+    /** @returns {NoteContext[]} */
     get noteContexts() {
         return this.children;
     }