[web] [chore] [ENG-1010] fix linting issues

Summary:
fixed linting issues
https://linear.app/comm/issue/ENG-1010/webpack-linting-chore

Test Plan: n/a no linting issues

Reviewers: atul, palys-swm, def-au1t, yayabosh

Reviewed By: atul

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

Differential Revision: https://phabricator.ashoat.com/D3753