UICIRC-1118: Implement feature toggle for ECS and not ECS envs #2289

All 1 982 tests pass in 1m 15s

      1 files ±0   186 suites ±0 1m 15s ⏱️ -1s
1 982 tests ±0 1 982 ✔️ ±0 0 💤 ±0 0 ❌ ±0
2 022 runs ±0 2 022 ✔️ ±0 0 💤 ±0 0 ❌ ±0

Results for commit e6b5e12. ± Comparison against earlier commit ec90f98.