prioritize global transaction scanner #1227

[awkejiang]

Ⅰ. Describe what this PR did

prioritize global transaction scanner

Ⅱ. Does this pull request fix one issue?

fix #1227

Ⅲ. Why don't you add test cases (unit test/integration test)?

ensure order of bean initialization by BeanFactoryPostProcessor & PriorityOrdered is already verified.

Ⅳ. Describe how to verify it

Bean annotated with TwoPhaseBusinessAction is a part of a TCC transaction.

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #1230 into develop will decrease coverage by <.01%.
The diff coverage is 0%.

@@              Coverage Diff              @@
##             develop    #1230      +/-   ##
=============================================
- Coverage      43.93%   43.92%   -0.01%     
  Complexity      1451     1451              
=============================================
  Files            253      253              
  Lines          10272    10274       +2     
  Branches        1335     1335              
=============================================
  Hits            4513     4513              
- Misses          5176     5178       +2     
  Partials         583      583

Impacted Files	Coverage Δ	Complexity Δ
...ta/spring/annotation/GlobalTransactionScanner.java	55.55% <0%> (-1.15%)	17 <0> (ø)

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[xingfudeshi]

LGTM.

[zhangthen]

+1