Description of problem:

In dev-catalog devfile-flow sample repo is getting reset on url change.

Prerequisites (if any, like setup, operators/versions): 

Steps to Reproduce

1. Open dev-catalog
2. Select a devfile-flow

Actual results:

URL is getting reset to sample repo

Expected results:

URL should get updated

Reproducibility (Always/Intermittent/Only Once): Always

Build Details:

Additional info: