[ISSUE #9075]Avoid message type validate in message sync scenario.

[dingshuangxi888]

Which Issue(s) This PR Fixes

Fixes #9075

Brief Description

Avoid message type validate in message sync scenario.

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 47.99%. Comparing base (35a6426) to head (186f38f).
Report is 8 commits behind head on develop.

Files with missing lines	Patch %	Lines
...va/org/apache/rocketmq/common/message/Message.java	0.00%	3 Missing ⚠️
...he/rocketmq/proxy/processor/ProducerProcessor.java	0.00%	0 Missing and 3 partials ⚠️
...q/proxy/remoting/activity/SendMessageActivity.java	0.00%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9076      +/-   ##
=============================================
+ Coverage      47.98%   47.99%   +0.01%     
+ Complexity     12027    12019       -8     
=============================================
  Files           1319     1319              
  Lines          92743    92720      -23     
  Branches       11895    11888       -7     
=============================================
- Hits           44499    44498       -1     
+ Misses         42744    42717      -27     
- Partials        5500     5505       +5     

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[lollipopjin]

LGTM