7.8 Discover - Saved search Breadcrumb does not update on rename

[ThomThomson]

Kibana version: 7.8 BC2

Browser version: Chrome 81

Original install method (e.g. download page, yum, from source, etc.): Cloud

Describe the bug:
in Discover, when renaming a saved search, the breadcrumb does not reflect the new name

Steps to reproduce:

1. Add or open a saved search
2. Click save
3. Change the name of the saved
4. Make sure the 'save as new' checkbox is unchecked
5. Save the saved search and

Expected behavior:
The breadcrumb should reflect the new name

Screenshots (if relevant):
Original Name:

Renamed:

Breadcrumb not updated:

After page refresh:

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)