[web] Disable "see full structure" button

Summary:
https://linear.app/comm/issue/ENG-783/see-full-structure-button-doesnt-do-anything
I disabled the button until we will have the feature implemented.

Test Plan:
The text disappears from bar on web.

Reviewers: palys-swm, ashoat

Reviewed By: palys-swm, ashoat

Subscribers: benschac, ashoat, Adrian, atul, karol-bisztyga

Differential Revision: https://phabricator.ashoat.com/D3262