Optimize the scroll bar on the right

**Is your feature request related to a problem? Please describe.**
There are too many database entries, and the scroll bar of the application is too small to slide quickly.

**Describe the solution you'd like**
Optimize the in-app scroll bar to facilitate quick sliding.

**Describe alternatives you've considered**
As shown in the application below, optimize the size of the scroll bar.
Like [PureWrite](https://play.google.com/store/apps/details?id=com.drakeet.purewriter):


Or something like this:


**Additional context**
Current scroll bar:


No source file, test, or entry point is named. Start by locating the Android screen that displays database entries and inspect its current scrollbar behavior, then compare it with the linked PureWrite and supplied screenshots. Done means a larger, faster-to-use in-app scrollbar that remains consistent with the application's design.

Written by the indexing model from the issue text.