Improvements to scroll and context menu behavior

[swkeep]

Description

I've improved the scroll and context menu behavior to be a little more consistent. These are minor improvements I've made, and I've created some videos to demonstrate what I changed: https://drive.google.com/drive/folders/1tECn38TOIYmkt388xbdVFuVKfOlLqkHM

Checklist

• [x] I have personally loaded this code into an updated qbcore project and checked all of its functionality.
• [x] My code fits the style guidelines.
• [x] My PR fits the contribution guidelines.

[Sanriku-Gaming]

Hiding the context would actually fix this: https://github.com/qbcore-framework/qb-inventory/issues/523