[web] Fix "See more..." button alignment regression

Summary: Noticed another regression in the latest deploy of the web app. This change moves the "See more..." text so it's aligned with the text on the sidebars.

Test Plan:
Before:

Looks as expected on Chrome/Safari:

Reviewers: atul

Reviewed By: atul

Subscribers: ashoat, palys-swm, Adrian

Differential Revision: https://phab.comm.dev/D4278