Retain root constant buffers in program bindings when applied, so tha… #709

All 3 161 tests pass in 1s

8 files ±0 8 suites ±0 1s ⏱️ ±0s
3 161 tests ±0 3 161 ✅ ±0 0 💤 ±0 0 ❌ ±0
9 369 runs ±0 9 369 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit ab1c4ce. ± Comparison against earlier commit 7d92a98.