[web] Move onChangeColor up from ThreadSettingsModal to ConnectedThreadSettingsModal
Summary:
Move onChangeColor 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 D3766
Test Plan:
- Open ThreadSettingsModal
- Change the color a bunch
- Log values in onChangeColor to ensure that they continue to be as expected
- Hit save after changing the color and ensure that the thread description changed as expected
Reviewers: def-au1t, palys-swm
Reviewed By: palys-swm
Subscribers: ashoat, Adrian, karol-bisztyga, benschac, yayabosh
Differential Revision: https://phabricator.ashoat.com/D3767