Suggestion dialog with deafult dialer icon instead custom dialer icon

[eugenepoplavsky]

Steps: 0. reset apps settings(if installed previously)

1. click by phone number click (in browser)
2. select in suggestion dialog "CustomPhoneDialer"
3. launch
4. confirm "set as default"
5. enter/edit number + click done
6. appeared dialog with default dialer icon and skype (for example) -> by click on the default dialer icon open CustomPhoneDialer.

Huawei P10Lite, android 8; Samsung S8+; Why is show icon from default? How to change such behaviour?