#1744 Fix Restart conversation menu #1844
This PR tweaks the "Restart conversation" menu items in the chat view.
Please note: this component has been updated from 'listbox' role to 'menu' role.
Semantically, the behavior we want to emulate more closely matches the menu bar. For an accessible example, please see w3.org menubar2
This fix returns focus to the caret (next to Restart conversation button) after an action has been selected from the submenu.
Below is the transcribed behavior when navigating the toolbar that contains Restart Conversation.
When focused on "Restart conversation menu":
Below is an animated gif of the behavior using keyboard navigation.