ui: Fix scrollbar showing despite being disabled by tracked setting (#38152)
Closes #38147
The scrollbar's `show_state` field was always being initialized to
`VisibilityState::Visible`, ignoring the `show_setting` value.
Release Notes:
- N/A
0adc6ddaadAlvaro Parker committed on 9/14/2025, 6:39:23 PM· committed by GitHubparent99b7167