[web] [fix] dot alignment
Summary:
dot wasn't aligned with color splotch
Test Plan: send a new message, un read dot should be aligned
Reviewers: atul, def-au1t, yayabosh, palys-swm
Reviewed By: palys-swm
Subscribers: ashoat, palys-swm, Adrian, karol-bisztyga, yayabosh
Differential Revision: https://phabricator.ashoat.com/D3723