Add tooltip for Toggly sticky icon

ftl/core/editing.ftl

@@ -39,6 +39,7 @@ editing-subscript = Subscript
 editing-superscript = Superscript
 editing-tags = Tags
 editing-to-make-a-cloze-deletion-on = To make a cloze deletion on an existing note, you need to change it to a cloze type first, via 'Notes>Change Note Type'
+editing-toggle-sticky = Toggle sticky
 editing-underline-text = Underline text
 editing-unordered-list = Unordered list
 editing-warning-cloze-deletions-will-not-work = Warning, cloze deletions will not work until you switch the type at the top to Cloze.

ts/editor/index.ts

@@ -191,7 +191,7 @@ export function setFormat(cmd: string, arg?: string, nosave = false): void {
     }
 }
 
-const i18n = setupI18n({
+export const i18n = setupI18n({
     modules: [
         ModuleName.EDITING,
         ModuleName.KEYBOARD,

ts/editor/label-container.ts

@@ -2,10 +2,12 @@
 // License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
 import type { EditorField } from "./editor-field";
+import * as tr from "lib/i18n";
 
 import { registerShortcut } from "lib/shortcuts";
 import { bridgeCommand } from "./lib";
-import { getCurrentField, forEditorField } from ".";
+import { appendInParentheses } from "./helpers";
+import { getCurrentField, forEditorField, i18n } from ".";
 import pinIcon from "./pin-angle.svg";
 
 function toggleStickyCurrentField() {
@@ -37,6 +39,10 @@ export class LabelContainer extends HTMLDivElement {
         super();
         this.className = "d-flex justify-content-between";
 
+        i18n.then(() => {
+            this.title = appendInParentheses(tr.editingToggleSticky(), "F9");
+        });
+
         this.label = document.createElement("span");
         this.label.className = "fieldname";
         this.appendChild(this.label);