fix sync topic and group if attributes isn't null

[1782935682]

Which Issue(s) This PR Fixes

Fixes #9547

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 83.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 47.97%. Comparing base (e4b731c) to head (7b481ce).
⚠️ Report is 211 commits behind head on develop.

Files with missing lines	Patch %	Lines
.../broker/subscription/SubscriptionGroupManager.java	83.33%	0 Missing and 1 partial ⚠️
...ache/rocketmq/broker/topic/TopicConfigManager.java	83.33%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9548      +/-   ##
=============================================
- Coverage      48.10%   47.97%   -0.14%     
+ Complexity     12063    12025      -38     
=============================================
  Files           1313     1313              
  Lines          92771    92774       +3     
  Branches       11862    11864       +2     
=============================================
- Hits           44629    44505     -124     
- Misses         42636    42742     +106     
- Partials        5506     5527      +21     

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