move sleep to general utisl function

src/public/app/services/utils.js

@@ -359,6 +359,12 @@ function isValidAttributeName(name) {
     return ATTR_NAME_MATCHER.test(name);
 }
 
+function sleep(time_ms) {
+    return new Promise((resolve) => {
+        setTimeout(resolve, time_ms);
+    });
+};
+
 export default {
     reloadFrontendApp,
     parseDate,
@@ -402,5 +408,6 @@ export default {
     initHelpButtons,
     openHelp,
     filterAttributeName,
-    isValidAttributeName
+    isValidAttributeName,
+    sleep,
 };

src/public/app/widgets/type_widgets/canvas-note-utils/sleep.js

@@ -1,7 +0,0 @@
-export const sleep = (time_ms) => {
-  return new Promise((resolve) => {
-    setTimeout(resolve, time_ms);
-  });
-};
-
-export default sleep;

src/public/app/widgets/type_widgets/canvas_note.js

@@ -1,12 +1,13 @@
 import libraryLoader from "../../services/library_loader.js";
 import TypeWidget from "./type_widget.js";
-import appContext from "../../services/app_context.js";
+import utils from '../../services/utils.js';
-import sleep from './canvas-note-utils/sleep.js';
 import froca from "../../services/froca.js";
 import debounce from "./canvas-note-utils/lodash.debounce.js";
 import uniqueId from "./canvas-note-utils/lodash.uniqueId.js";
 import replaceExternalAssets from "./canvas-note-utils/replaceExternalAssets.js";
 
+const {sleep} = utils;
+
 const TPL = `
     <div class="canvas-note-widget note-detail-canvas-note note-detail-printable note-detail">
         <style type="text/css">