UICIRC-1118: Implement feature toggle for ECS and not ECS envs #2283

All 1 982 tests pass in 1m 17s

      1 files ±  0   186 suites ±0 1m 17s ⏱️ -1s
1 982 tests +23 1 982 ✔️ +26 0 💤 ±0 0 ❌ - 3
2 022 runs ±  0 2 022 ✔️ +  3 0 💤 ±0 0 ❌ - 3

Results for commit f8786dc. ± Comparison against earlier commit b9c37b5.