SF-3565 Fix error when opening a note in a Lynx insight

src/SIL.XForge.Scripture/ClientApp/src/app/shared/text/quill-editor-registration/quill-formats/quill-blots.ts

@@ -313,6 +313,12 @@ export class NoteThreadEmbed extends QuillEmbedBlot {
     };
   }
 
+  appendChild(_child: Node): void {
+    // An embed cannot have children. As such, we will just ignore this request.
+    // This function can be called by wrap() if the embed is inside an inline of block,
+    // and this embed is having a format applied to it (i.e. 'highlight' in EditorComponent).
+  }
+
   format(name: string, value: any): void {
     if (name === NoteThreadEmbed.blotName && value != null) {
       const ref = value as NoteThread;

src/SIL.XForge.Scripture/ClientApp/src/app/translate/editor/editor.component.ts

@@ -748,17 +748,15 @@ export class EditorComponent extends DataLoadingComponent implements OnDestroy,
             this.userService.currentUserId
           );
 
-          this.initLynxFeatureStates(this.projectUserConfigDoc);
-
           this.sourceProjectDoc = await this.getSourceProjectDoc();
           if (this.projectUserConfigChangesSub != null) {
             this.projectUserConfigChangesSub.unsubscribe();
           }
-          this.projectUserConfigChangesSub = this.projectUserConfigDoc.remoteChanges$.subscribe(() => {
+          this.projectUserConfigChangesSub = this.projectUserConfigDoc.remoteChanges$.subscribe(async () => {
             if (this.projectUserConfigDoc?.data != null) {
               // Reload config if the checksum has been reset on the server
               if (this.projectUserConfigDoc.data.selectedSegmentChecksum == null) {
-                this.loadProjectUserConfig();
+                await this.loadProjectUserConfig();
               } else {
                 this.loadTranslateSuggesterConfidence();
               }
@@ -789,7 +787,10 @@ export class EditorComponent extends DataLoadingComponent implements OnDestroy,
         this.updateVerseNumber();
 
         // Set chapter from route if provided
-        this.loadProjectUserConfig(chapterNum != null ? Number.parseInt(chapterNum) : undefined);
+        await this.loadProjectUserConfig(chapterNum != null ? Number.parseInt(chapterNum) : undefined);
+
+        // Lynx must be initialized after the adding of notes and other text-change related events
+        this.initLynxFeatureStates(this.projectUserConfigDoc);
 
         if (this.projectDoc.id !== prevProjectId) {
           this.setupTranslationEngine();
@@ -2024,7 +2025,7 @@ export class EditorComponent extends DataLoadingComponent implements OnDestroy,
       });
   }
 
-  private loadProjectUserConfig(chapterFromUrl?: number): void {
+  private async loadProjectUserConfig(chapterFromUrl?: number): Promise<void> {
     let chapter: number = chapterFromUrl ?? this.chapters[0] ?? 1;
     this.loadTranslateSuggesterConfidence();
 
@@ -2046,10 +2047,10 @@ export class EditorComponent extends DataLoadingComponent implements OnDestroy,
     }
     this.toggleNoteThreadVerses(false);
     this.chapter$.next(chapter);
-    this.changeText();
+    await this.changeText();
     this.toggleNoteThreadVerses(true);
-    this.updateAutoDraftTabVisibility();
-    this.updateBiblicalTermsTabVisibility();
+    await this.updateAutoDraftTabVisibility();
+    await this.updateBiblicalTermsTabVisibility();
   }
 
   private loadTranslateSuggesterConfidence(): void {