bugfix: fix code for "sessionMode" not execute problem

[Pinocchio2018]

• I have registered the PR changes.

Ⅰ. Describe what this PR did

fix some code for "sessionMode" not execute problem.

if I config service-port ,

 server:
    service-port: 8091

the following code will not execute

        // Load by priority
        System.setProperty("sessionMode",
                environment.getProperty(SERVER_STORE_SESSION_MODE, environmentPreparedEvent.getEnvironment().getProperty(SERVER_STORE_MODE, "file")));
        System.setProperty("lockMode",
                environment.getProperty(SERVER_STORE_LOCK_MODE, environmentPreparedEvent.getEnvironment().getProperty(SERVER_STORE_MODE, "file")));

Ⅱ. Does this pull request fix one issue?

no

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

I don't know how to do it

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[Pinocchio2018]

[codecov-commenter]

Codecov Report

Merging #4213 (e6bb3b4) into develop (caa8443) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@              Coverage Diff              @@
##             develop    #4213      +/-   ##
=============================================
- Coverage      49.10%   49.08%   -0.03%     
+ Complexity      3774     3772       -2     
=============================================
  Files            719      719              
  Lines          23948    23948              
  Branches        2926     2926              
=============================================
- Hits           11760    11755       -5     
- Misses         10987    10989       +2     
- Partials        1201     1204       +3     

Impacted Files	Coverage Δ
...ava/io/seata/server/ServerApplicationListener.java	52.38% <100.00%> (ø)
...n/src/main/java/io/seata/common/util/IdWorker.java	77.08% <0.00%> (-6.25%)	⬇️
...o/seata/server/coordinator/DefaultCoordinator.java	47.84% <0.00%> (-0.54%)	⬇️
...in/java/io/seata/server/session/GlobalSession.java	79.56% <0.00%> (-0.44%)	⬇️

[funky-eyes]

LGTM

[lightClouds917]

LGTM

[slievrly]

LGTM