optimize: code opt format about the sqls, and rename brach to branch

[wangliang181230]

Ⅰ. Describe what this PR did

1. 调整sql相关的代码缩进，使其看起来更优雅
2. brach 重命名为 branch

从PR #2828 拆分出来的。

Ⅱ. Does this pull request fix one issue?

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

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

Merging #2842 into develop will increase coverage by 0.02%.
The diff coverage is 92.85%.

@@              Coverage Diff              @@
##             develop    #2842      +/-   ##
=============================================
+ Coverage      50.12%   50.15%   +0.02%     
- Complexity      2971     2976       +5     
=============================================
  Files            597      597              
  Lines          19071    19074       +3     
  Branches        2297     2296       -1     
=============================================
+ Hits            9559     9566       +7     
+ Misses          8558     8557       -1     
+ Partials         954      951       -3     

Impacted Files	Coverage Δ	Complexity Δ
...ta/core/store/db/sql/log/AbstractLogStoreSqls.java	100.00% <ø> (ø)	10.00 <0.00> (ø)
...a/server/storage/db/store/LogStoreDataBaseDAO.java	71.18% <87.50%> (ø)	31.00 <4.00> (ø)
...seata/core/store/db/sql/log/MysqlLogStoreSqls.java	100.00% <100.00%> (ø)	7.00 <1.00> (ø)
...eata/core/store/db/sql/log/OracleLogStoreSqls.java	100.00% <100.00%> (ø)	7.00 <1.00> (ø)
.../core/store/db/sql/log/PostgresqlLogStoreSqls.java	100.00% <100.00%> (ø)	7.00 <1.00> (ø)
...in/java/io/seata/server/session/GlobalSession.java	84.16% <0.00%> (+0.45%)	72.00% <0.00%> (+1.00%)
...o/seata/server/coordinator/DefaultCoordinator.java	55.15% <0.00%> (+0.51%)	29.00% <0.00%> (+1.00%)
...torage/file/store/FileTransactionStoreManager.java	57.41% <0.00%> (+0.64%)	29.00% <0.00%> (+1.00%)

[slievrly]

LGTM

[funky-eyes]

LGTM