[web] Move onDelete up from ThreadSettingsModal to ConnectedThreadSettingsModal
Summary:
Move onDelete out from inner class component to outer "Connected" functional component.
As part of the work to refactor ThreadSettingsModal... specifically to turn it into a functional component
Depends on D3783
Test Plan:
- Create delete-able thread
- Navigate to ThreadSettingsModal and go to "Delete" tab
- Try to delete thread and ensure that it works as expected
Reviewers: def-au1t, palys-swm
Reviewed By: palys-swm
Subscribers: ashoat, Adrian, karol-bisztyga, benschac, yayabosh
Differential Revision: https://phabricator.ashoat.com/D3794