[web] [fix] [ENG-1033] change modal x default to show on default
Summary:
re-add the close button
https://linear.app/comm/issue/ENG-1033/close-button-removed-from-modal
Test Plan: all modals should have the x button by default. attaching screen shots.
Reviewers: atul, palys-swm, def-au1t
Reviewed By: atul
Subscribers: ashoat, Adrian, karol-bisztyga, yayabosh
Differential Revision: https://phabricator.ashoat.com/D3820