[web] Remove "active" transition for ColorSelectorButton component

Summary: Addresses feedback from @palys-swm here: https://phabricator.ashoat.com/D3699#101943

Test Plan:
Looks as expected:

Reviewers: def-au1t, palys-swm

Reviewed By: palys-swm

Subscribers: ashoat, Adrian, karol-bisztyga, benschac, yayabosh, palys-swm

Differential Revision: https://phabricator.ashoat.com/D3714