Some scrollbars are missing and others are appearing when they shouldn't #185
Description
- At the far right of the app there is a scrollbar for the entire page that only scrolls up and down one pixel
- At the right side of the JSON view there is a similar scrollbar that also only goes up and down one pixel
- There are scrollable panels with no scrollbar
- JSON view text
- Column view columns
- Right panel in JSON View with JSON / Schema tabs
- Right panel in Column View with data Preview / Properties
- All scrollbars should be styled to match the dark theme
- The tree view scrolling works fine
