PageHandlerAdapterFactory， handlerAdapters，handlerAdapterMap should unmodifiable

[floor07]

PageHandlerAdapterFactory， handlerAdapters，handlerAdapterMap should unmodifiable

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.

Project coverage is 67.80%. Comparing base (b7c3905) to head (a68e215).
Report is 172 commits behind head on develop.

Files with missing lines	Patch %	Lines
...persistence/handler/PageHandlerAdapterFactory.java	0.00%	14 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #11801      +/-   ##
=============================================
- Coverage      67.80%   67.80%   -0.01%     
+ Complexity      8892     8891       -1     
=============================================
  Files           1237     1237              
  Lines          40443    40440       -3     
  Branches        4286     4285       -1     
=============================================
- Hits           27424    27421       -3     
  Misses         11046    11046              
  Partials        1973     1973              

Files with missing lines	Coverage Δ
...persistence/handler/PageHandlerAdapterFactory.java	0.00% <0.00%> (ø)

... and 4 files with indirect coverage changes

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