[Editor] Toolbar ButtonGroup buttons not rendering

[chakshutadesai]

Describe the bug The Editor Toolbar has issues rendering Buttons inside ButtonGroup.

To Reproduce Steps to reproduce the behavior:

1. Place editor with basic toolbar as following,
2. Code

   <kendo-editor style="height: 450px;">
   <kendo-toolbar>
   <kendo-toolbar-buttongroup>
     <kendo-toolbar-button kendoEditorBoldButton></kendo-toolbar-button>
     <kendo-toolbar-button kendoEditorItalicButton></kendo-toolbar-button>
     <kendo-toolbar-button kendoEditorUnderlineButton></kendo-toolbar-button>
     <kendo-toolbar-button kendoEditorStrikethroughButton></kendo-toolbar-button>
   </kendo-toolbar-buttongroup>
   <kendo-toolbar-dropdownlist kendoEditorFormat></kendo-toolbar-dropdownlist>
   <kendo-toolbar-dropdownlist kendoEditorFontSize></kendo-toolbar-dropdownlist>
   </kendo-toolbar>
   </kendo-editor>

Expected behavior ButtonGroup with Bold, Italic etc button should be rendered correctly with correct HTML.

Screenshots As shown in screenshot, Buttons inside ButtonGroup is not rendered. Other toolbar like dropdown works correctly.

Browser

• OS: [for example, iOS]
• Browser [for example, Chrome, Safari]
• Version [for example, 22]

Additional context Add any other context about the problem here.

[yanmariomenev]

Closing the issue as it seems to be related to configuration and will be further discussed in the private ticket(1566191) where more details would need to be provided. Working example with the markup and latest Kendo package and Theme versions: https://stackblitz.com/edit/angular-aqvazu?file=src%2Fapp%2Fapp.component.ts