fix: consider browser dynamic toolbar state for sidebar height

[sigra]

Description

Fixes #2009 .

Username and logout links are hidden on mobile device when browser's address bar is opened. The workaround is to use dvh instead of vh to calculate sidebar height properly.

dvh is supported by all main browsers in 2024.

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

Screenshots & recording

1. How it works with vh:

vh.mp4

2. How it works with dvh:

dvh.mp4

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[adrianthedev]

Awesome! Thank you @sigra!
I appreciate the contribution.