feat(in-app-help): don't open table of contents when in help view

src/public/app/services/link.ts

@@ -25,9 +25,16 @@ async function getLinkIcon(noteId: string, viewMode: ViewMode | undefined) {
     return icon;
 }
 
-type ViewMode = "default" | "source" | "attachments" | string;
+// TODO: Remove `string` once all the view modes have been mapped.
+type ViewMode = "default" | "source" | "attachments" | "contextual-help" | string;
 
 export interface ViewScope {
+    /**
+     * - "source", when viewing the source code of a note.
+     * - "attachments", when viewing the attachments of a note.
+     * - "contextual-help", if the current view represents a help window that was opened to the side of the main content.
+     * - "default", otherwise.
+     */
     viewMode?: ViewMode;
     attachmentId?: string;
     readOnlyTemporarilyDisabled?: boolean;

src/public/app/widgets/containers/split_note_container.js

@@ -61,7 +61,7 @@ export default class SplitNoteContainer extends FlexContainer {
         await appContext.tabManager.activateNoteContext(noteContext.ntxId);
 
         if (notePath) {
-            await noteContext.setNote(notePath, viewScope);
+            await noteContext.setNote(notePath, { viewScope });
         } else {
             await noteContext.setEmpty();
         }

src/public/app/widgets/floating_buttons/help_button.ts

@@ -55,7 +55,10 @@ export default class ContextualHelpButton extends NoteContextAwareWidget {
             this.triggerCommand("openNewNoteSplit", {
                 ntxId,
                 notePath: `_help_${this.helpNoteIdToOpen}`,
-                hoistedNoteId: "_help"
+                hoistedNoteId: "_help",
+                viewScope: {
+                    viewMode: "contextual-help"
+                }
             })
         });
     }