reduce method(decode)'s bytecode size

[hellyguo]

Make sure that:

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• You have created a feature request first to discuss your contribution intent. Please reference the feature request ticket number in the pull request.
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link to issue #1323
reuse StateMachineUnitTests as my test.

[codecov]

Codecov Report

Merging #1324 into 5.3.x will decrease coverage by 0.01%.
The diff coverage is 96.77%.

@@             Coverage Diff              @@
##              5.3.x    #1324      +/-   ##
============================================
- Coverage     79.77%   79.76%   -0.02%     
- Complexity     5878     5879       +1     
============================================
  Files           423      423              
  Lines         19632    19650      +18     
  Branches       2236     2230       -6     
============================================
+ Hits          15662    15674      +12     
- Misses         2939     2946       +7     
+ Partials       1031     1030       -1     

Impacted Files	Coverage Δ	Complexity Δ
...va/io/lettuce/core/protocol/RedisStateMachine.java	90.57% <96.77%> (+2.13%)	56.00 <16.00> (+4.00)
...io/lettuce/core/masterslave/SentinelConnector.java	65.00% <0.00%> (-17.50%)	6.00% <0.00%> (-2.00%)
...uce/core/masterslave/SentinelTopologyProvider.java	81.08% <0.00%> (-2.71%)	9.00% <0.00%> (-1.00%)
...tuce/core/masterslave/SentinelTopologyRefresh.java	84.96% <0.00%> (-0.66%)	35.00% <0.00%> (ø%)
...java/io/lettuce/core/protocol/DefaultEndpoint.java	70.60% <0.00%> (-0.49%)	95.00% <0.00%> (ø%)
...lettuce/core/internal/AsyncConnectionProvider.java	84.70% <0.00%> (+1.17%)	17.00% <0.00%> (+1.00%)
...e/core/cluster/NodeSelectionInvocationHandler.java	78.57% <0.00%> (+1.42%)	38.00% <0.00%> (ø%)

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[mp911de]

Thank you for your contribution. That's merged and polished via 6f89976 now. Do you want to submit another pull request for the main branch as the code in RedisStateMachine changed quite a bit across versions?

[hellyguo]

I will have a try. Thanks @mp911de .