Notifications UI - Empty event type list shown

Empty event type list shown in the UI although the API returns the event type list correctly:
[
{
"id":1,
"name":"policy-triggered",
"display_name":"Policy triggered",
"application":{
"id":"3f9e33e2-4f69-45cd-83a6-d2145a6f676e",
"name":"policies",
"display_name":"Policies"
}
},
{
"id":2,
"name":"QA",
"display_name":"QA Event Type",
"application":{
"id":"21cd31da-a7db-4e4b-8c78-71e01a7ce2e7",
"name":"QEApp",
"display_name":"QA Fake Application"
}
}
]