Add process template preview to step picker

[clairey259]

The enhancement

The Need

Currently, when Process Templates are added via the step picker users are unable to see the whole process template process.

Solution

Add a preview draw to better show the process template process and details of the template.

[octoreleasebot]

Release Note: Introduces ability to preview process templates in step picker

[Octobob]

🎉 The fix for this issue has been released in:

Release stream	Release
2025.4	2025.4.4792