(core) Fix for layout editor when fields are removed

Summary:
Fix for layout editor when fields are removed using the creator panel. Layout editor
wasn't updated properly when "layoutSpecs" were changed.

Test Plan: Updated

Reviewers: georgegevoian

Reviewed By: georgegevoian

Differential Revision: https://phab.getgrist.com/D3700

app/client/components/RecordLayout.js

@@ -326,7 +326,7 @@ RecordLayout.prototype.buildLayoutDom = function(row, optCreateEditor) {
     )
   );
 
-  const sub = this.layoutSpec.subscribe((spec) => { layout.buildLayout(spec); });
+  const sub = this.layoutSpec.subscribe((spec) => { layout.buildLayout(spec, createEditor); });
 
   if (createEditor) {
     this.layoutEditor(RecordLayoutEditor.create(this, layout));

test/nbrowser/gristUtils.ts

@@ -1041,9 +1041,13 @@ export async function openAddWidgetToPage() {
 // must be already opened when calling this function.
 export async function selectWidget(
   typeRe: RegExp|string,
-  tableRe: RegExp|string,
+  tableRe: RegExp|string = '',
   options: PageWidgetPickerOptions = {}) {
 
+  // select right type
+  await driver.findContent('.test-wselect-type', typeRe).doClick();
+
+  if (tableRe) {
     const tableEl = driver.findContent('.test-wselect-table', tableRe);
 
     // unselect all selected columns
@@ -1074,9 +1078,8 @@ export async function selectWidget(
       await driver.find('.test-wselect-selectby').doClick();
       await driver.findContent('.test-wselect-selectby option', options.selectBy).doClick();
     }
+  }
 
-  // select right type
-  await driver.findContent('.test-wselect-type', typeRe).doClick();
 
   if (options.dontAdd) {
     return;
@@ -1985,7 +1988,8 @@ export class Session {
     return doc;
   }
 
-  public async tempNewDoc(cleanup: Cleanup, docName: string, {load} = {load: true}) {
+  public async tempNewDoc(cleanup: Cleanup, docName: string = '', {load} = {load: true}) {
+    docName ||= `Test${Date.now()}`;
     const docId = await createNewDoc(this.settings.name, this.settings.orgDomain, this.settings.workspace,
                                      docName, {email: this.settings.email});
     if (load) {