workspace: Improve the welcome and launchpad pages UI (#47072)
Closes #47069
Release Notes:
- N/A
We can add something like `pb_40()` if the launchpad is supposed to be
up a bit rather centered
5e2e917a8aQichen Liu 刘启辰 committed on 1/19/2026, 2:13:23 PM· committed by GitHubparent3687366