feat: Replaced margin resizers with "Editor width" options. You can set it globally from Preferences > Appearance or per-note from the note options menu (#2324)

packages/web/src/javascripts/Controllers/NotesController/NotesController.ts

@@ -10,6 +10,7 @@ import {
   InternalEventBus,
   PrefKey,
   ApplicationEvent,
+  EditorLineWidth,
 } from '@standardnotes/snjs'
 import { makeObservable, observable, action, computed, runInAction } from 'mobx'
 import { WebApplication } from '../../Application/WebApplication'
@@ -358,6 +359,23 @@ export class NotesController extends AbstractViewController implements NotesCont
     this.application.sync.sync().catch(console.error)
   }
 
+  getEditorWidthForNote(note: SNNote) {
+    return (
+      note.editorWidth ?? this.application.getPreference(PrefKey.EditorLineWidth, PrefDefaults[PrefKey.EditorLineWidth])
+    )
+  }
+
+  async setNoteEditorWidth(note: SNNote, editorWidth: EditorLineWidth) {
+    await this.application.mutator.changeItem<NoteMutator>(
+      note,
+      (mutator) => {
+        mutator.editorWidth = editorWidth
+      },
+      false,
+    )
+    this.application.sync.sync().catch(console.error)
+  }
+
   async addTagToSelectedNotes(tag: SNTag): Promise<void> {
     const selectedNotes = this.getSelectedNotesList()
     await Promise.all(