fix: different no transaction messages for non-existing and empty batches/blocks #297

All 206 tests pass in 28s

206 tests ±0 206 ✔️ ±0 28s ⏱️ -1s
  14 suites ±0     0 💤 ±0
    1 files ±0     0 ❌ ±0

Results for commit 16444f5. ± Comparison against earlier commit 077781c.