Model Builder error window displayed outside of border for long messages

**System Information (please complete the following information):**
- Model Builder Version (available in Manage Extensions dialog):
- Visual Studio Version

**Describe the bug**
- On which step of the process did you run into an issue:
- Clear description of the problem:

**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
It should vertically scroll.

**Screenshots**

**Additional context**
Add any other context about the problem here.