Display one Filter Definition per line

Description

• Precondition: Some Filter Definitions have short and long description values.

Steps to reproduce

1. Go to Insight-> Segments.
2. Click the "Create a Segment" button.
3. Expand a category.
4. Observe the Filter Definitions list.

Actual:
Two Filter Definitions with a short and long description are on the same line.

Expected:
Display only one Filter definition per line.