Environment group set for Test plan has no effect during Test Run edit

[okainov]

Description of problem

Looks like env group set for test run doesn't really affect test runs under this test plan.

Component (web, API, etc)

web

Version or commit hash (if applicable)

How often reproducible

Always

Steps to Reproduce

1. Create env properties "property A" and "property B"
2. Create env groups "Group A" and "Group B" each containing one property with corresponding name
3. Create a test plan and set env group to "Group A"
4. Try to create a test run
5. Make sure on "new test run page" only correct "property A" was displayed.
6. Go to test run page and click "Add property"
7. Make sure ALL env properties were displayed instead of only "property A"

Additional info