intregrate newly created help into help mode

frontend/src/app/modules/grids/grid/add-widget.service.ts

@@ -30,7 +30,7 @@ export class GridAddWidgetService {
   public isAddable(area:GridArea) {
     return !this.drag.currentlyDragging &&
       !this.resize.currentlyResizing &&
-      (this.layout.mousedOverArea === area || this.layout.isSingleCell || this.layout.isNewlyCreated || this.layout.inHelpMode) &&
+      (this.layout.mousedOverArea === area || this.layout.isSingleCell || this.layout.inHelpMode) &&
       this.isAllowed;
   }
 

frontend/src/app/modules/grids/grid/area.service.ts

@@ -33,6 +33,8 @@ export class GridAreaService {
     this.numRows = this.resource.rowCount;
     this.numColumns = this.resource.columnCount;
 
+    this.helpMode = this.isNewlyCreated;
+
     this.buildAreas(true);
   }
 
@@ -113,7 +115,7 @@ export class GridAreaService {
     return this.numRows === 1 && this.numColumns === 1 && this.widgetResources.length === 0;
   }
 
-  public get isNewlyCreated() {
+  private get isNewlyCreated() {
     return moment(moment.utc()).diff(moment(this.resource.createdAt), 'seconds') < 20;
   }
 

frontend/src/app/modules/my-page/my-page.component.html

@@ -1,5 +0,0 @@
-<h2 [textContent]="text.title"></h2>
-
-<ng-container *ngIf="(grid$ | async) as grid">
-  <grid [grid]="grid"></grid>
-</ng-container>

modules/grids/spec/support/pages/grid.rb

@@ -33,7 +33,7 @@ module Pages
     def add_widget(row_number, column_number, location, name)
       within_add_widget_modal(row_number, column_number, location) do
         expect(page)
-          .to have_content(I18n.t('js.grid.add_modal.choose_widget'))
+          .to have_content(I18n.t('js.grid.add_widget'))
 
         page.find('.grid--addable-widget', text: Regexp.new("^#{name}$")).click
       end
@@ -83,7 +83,7 @@ module Pages
     def expect_specific_widget_unaddable(row_number, column_number, location, name)
       within_add_widget_modal(row_number, column_number, location) do
         expect(page)
-          .to have_content(I18n.t('js.grid.add_modal.choose_widget'))
+          .to have_content(I18n.t('js.grid.add_widget'))
 
         expect(page)
           .not_to have_selector('.grid--addable-widget', text: Regexp.new("^#{name}$"))