Keep chunking of commands (inlined version)

[guizmaii]

No significant improvement over the non-inlined version of #751

[info] # Fork: 5 of 5
[info] OpenJDK 64-Bit Server VM warning: -XX:ThreadPriorityPolicy=1 may require system level permission, e.g., being the root user. If the necessary permission is not possessed, changes to priority will be silently ignored.
[error] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
[error] SLF4J: Defaulting to no-operation (NOP) logger implementation
[error] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[error] SLF4J: Failed to load class "org.slf4j.impl.StaticMDCBinder".
[error] SLF4J: Defaulting to no-operation MDCAdapter implementation.
[error] SLF4J: See http://www.slf4j.org/codes.html#no_static_mdc_binder for further details.
[info] # Warmup Iteration   1: 2111.189 ms/op
[info] # Warmup Iteration   2: 2000.574 ms/op
[info] # Warmup Iteration   3: 1739.648 ms/op
[info] # Warmup Iteration   4: 4445.719 ms/op
[info] # Warmup Iteration   5: 2463.715 ms/op
[info] # Warmup Iteration   6: 1288.807 ms/op
[info] # Warmup Iteration   7: 1095.652 ms/op
[info] # Warmup Iteration   8: 1101.471 ms/op
[info] # Warmup Iteration   9: 1066.094 ms/op
[info] # Warmup Iteration  10: 5941.688 ms/op
[info] Iteration   1: 1748.273 ms/op
[info] Iteration   2: 2416.467 ms/op
[info] Iteration   3: 1312.865 ms/op
[info] Iteration   4: 2736.922 ms/op
[info] Iteration   5: 1472.547 ms/op
[info] Iteration   6: 1221.772 ms/op
[info] Iteration   7: 2327.814 ms/op
[info] Iteration   8: 1030.328 ms/op
[info] Iteration   9: 1909.136 ms/op
[info] Iteration  10: 1405.967 ms/op
[info] Result "zio.kafka.bench.ConsumersComparisonBenchmark.zioKafka":
[info]   1840.431 ±(99.9%) 520.887 ms/op [Average]
[info]   (min, avg, max) = (927.029, 1840.431, 4864.196), stdev = 1052.218
[info]   CI (99.9%): [1319.544, 2361.319] (assumes normal distribution)
[info] # Run complete. Total time: 00:07:15