Sidebar: Only show scrollbar if scrollable

[Presskopp]

Describe the bug
On the sidebar there's a scrollbar. When the content fits it's not scrollable and therefore it's disturbing.

To Reproduce
Steps to reproduce the behavior:

1. Open sidebar, for example click "Job frequency" for Next Scheduled Backups
2. Make sure you are using a large screen (y resolution)
3. You see the scollbar to the right
4. There is no scroll function

Expected behavior
Only show scrollbar if it's usable

Screenshots

Desktop (please complete the following information):

• Windows 11
• Chrome
• v135.0.7049.41

Solution

.overflow-y-scroll {
  overflow-y: auto;
}

instead of

.overflow-y-scroll {
  overflow-y: scroll;
}

[danielhuesken]

It should be solved with #1104