Alan Guo Xiang Tan 5990842dd9 UX: Revamp styling of sidebar
The following changes are made in this commit:

1. Move caret icon in sidebar section header to the right.
1. Each row in sidebar takes the full width which enables us to do a
full width highlight on hover and when sidebar link is active.
1. Ensure each row in Sidebar is of the same height.

Internal refs: /t/70546, /t/72196, /t/71820
2022-08-18 16:14:49 +08:00
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2022-08-18 16:14:49 +08:00