The expand and collapse state triggers when opening a DropDown component popup in the cell template

[yanmariomenev]

Describe the bug
This bug happens from v5.0.5 related to unifying the icons of the component which seems to trigger the expand/collapse state when opening the popup of a ComboBox using by clicking the arrow icon.

To Reproduce
Open - https://stackblitz.com/edit/angular-yh2up8?file=src%2Fapp%2Fapp.module.ts
Trigger the popup of the DropDownList or Combobox components.

Workaround

1. Use DropDowns package version 5.0.4

2. Stop the click event propagation- https://stackblitz.com/edit/angular-yh2up8-zwwvc7?file=src%2Fapp%2Fapp.component.ts

3. Replacing the DropDown arrow button with an icon:
   https://stackblitz.com/edit/angular-5rzk6r-qsa1on?file=src%2Fapp%2Fapp.component.ts

[georgi-sla]

Similar behavior is observed with the in-cell editing functionality of the TreeList:
https://www.telerik.com/kendo-angular-ui/components/treelist/editing/editing-in-cell/#toc-basic-concepts
https://www.telerik.com/kendo-angular-ui/components/treelist/editing/template-forms/#toc-basic-concepts
https://stackblitz.com/edit/angular-5uzbzw-skqkde

Please, check out the attached screen recording for reference.
TreeListEditing.zip

[hetalishah]

This behavior can also be observed when a button with SVG icon is added in the cell of the TreeList: https://stackblitz.com/edit/angular-71rwjy?file=src%2Fapp%2Fapp.component.ts