bugfix: fix global lock not released when rollback retry timeout

[zjinlei]

Ⅰ. Describe what this PR did

Ⅱ. Does this pull request fix one issue?

fixes #2166

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

Ⅳ. Describe how to verify it

DefaultCoordinatorTest.test_handleRetryRollbackingTimeOut
DefaultCoordinatorTest.test_handleRetryRollbackingTimeOut_unlock

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #2198 into develop will decrease coverage by 0.17%.
The diff coverage is 35.25%.

@@              Coverage Diff              @@
##             develop    #2198      +/-   ##
=============================================
- Coverage      54.44%   54.27%   -0.18%     
- Complexity      2473     2494      +21     
=============================================
  Files            447      453       +6     
  Lines          14759    14898     +139     
  Branches        1735     1756      +21     
=============================================
+ Hits            8036     8086      +50     
- Misses          5963     6041      +78     
- Partials         760      771      +11

Impacted Files	Coverage Δ	Complexity Δ
...in/java/io/seata/integration/http/XidResource.java	0% <0%> (ø)	0 <0> (?)
...integration/http/HttpHandlerExceptionResolver.java	0% <0%> (ø)	0 <0> (?)
...ration/http/TransactionPropagationIntercepter.java	0% <0%> (ø)	0 <0> (?)
.../seata/integration/http/HttpAutoConfiguration.java	0% <0%> (ø)	0 <0> (?)
...o/seata/integration/http/AbstractHttpExecutor.java	53.7% <53.7%> (ø)	10 <10> (?)
...io/seata/integration/http/DefaultHttpExecutor.java	57.14% <57.14%> (ø)	8 <8> (?)
...very/registry/zk/ZookeeperRegisterServiceImpl.java	62.9% <0%> (-0.81%)	24% <0%> (ø)
... and 5 more

[slievrly]

LGTM, good test cases.

[xingfudeshi]

LGTM.