Optimize handle json in pop message

[lizhimins]

Optimize handle json in pop message

[codecov-commenter]

Codecov Report

Merging #5643 (38571d4) into develop (e5fadc7) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop    #5643   +/-   ##
==========================================
  Coverage      42.39%   42.39%           
- Complexity      7967     7974    +7     
==========================================
  Files           1023     1023           
  Lines          71479    71479           
  Branches        9444     9444           
==========================================
+ Hits           30305    30307    +2     
- Misses         37332    37333    +1     
+ Partials        3842     3839    -3     

Impacted Files	Coverage Δ
...ain/java/org/apache/rocketmq/store/pop/AckMsg.java	68.75% <ø> (+68.75%)	⬆️
...org/apache/rocketmq/store/ha/WaitNotifyObject.java	80.35% <0.00%> (-5.36%)	⬇️
...e/rocketmq/store/ha/autoswitch/EpochFileCache.java	77.08% <0.00%> (-4.17%)	⬇️
...mq/broker/topic/TopicQueueMappingCleanService.java	12.43% <0.00%> (-3.63%)	⬇️
...rocketmq/common/message/MessageClientIDSetter.java	71.42% <0.00%> (-2.39%)	⬇️
...a/org/apache/rocketmq/filter/util/BloomFilter.java	60.43% <0.00%> (-2.20%)	⬇️
...va/org/apache/rocketmq/store/util/PerfCounter.java	64.39% <0.00%> (-2.10%)	⬇️
...cketmq/store/ha/autoswitch/AutoSwitchHAClient.java	75.55% <0.00%> (-1.12%)	⬇️
.../org/apache/rocketmq/store/index/IndexService.java	59.00% <0.00%> (-1.00%)	⬇️
...he/rocketmq/client/impl/consumer/ProcessQueue.java	61.50% <0.00%> (-0.89%)	⬇️
... and 14 more

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