fix: 16322 Extracted platform-related functionality from `MerkleStateRoot` into `PlatformMerkleStateRoot`. #42096

All 341 tests pass in 42m 0s

110 files + 7 110 suites +7 42m 0s ⏱️ + 41m 59s
341 tests + 9 341 ✅ + 341 0 💤 ±0 0 ❌ - 332
1 048 runs +295 1 048 ✅ +1 048 0 💤 ±0 0 ❌ - 753

Results for commit f78ec25. ± Comparison against earlier commit 91e2162.