Shorten description of elements in the options modal

**Describe the bug**
The description is too long.

**Reporter**
Demo

**Category**
Use the following Tags to categorize your bug report

- Pipe options

**To Reproduce**
Open the options of an element

**Expected behavior**
Just show a couple of lines with a read more link.

**Screenshots**

**Additional context**
This once worked, but broke when the width scrollbar was added.