fix: scrollbars in safari

[seferturan]

🎶 Notes 🎶

• Safari (╯°□°)╯︵ ┻━┻
• Scrollbars never became visible.
• Dropdowns were hidden under the section lists.

👀 Example 👀

I removed the opacity:0, which causes safari to be buggy when it comes to displaying hiding scrollbars. Example:
https://github.com/user-attachments/assets/4929838c-f989-484d-9904-095a4e9e7cf3

So for now, the overflow-x on the lists is set on a hover.

Dropdown fix:
Before/after:

[deepsource-io]

Here's the code health analysis summary for commits a8de957..2d9f432. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
JavaScript	✅ Success		View Check ↗
Test coverage	✅ Success		View Check ↗

Code Coverage Report

Metric	Aggregate	Javascript
Branch Coverage	25.4%	25.4%
Composite Coverage	60.6%	60.6%
Line Coverage	72.8%	72.8%

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[seferturan]

Drafted; when on hover setting the overflow-x still hides the dropdown