bugfix: fix duplicated table meta cache key

[l81893521]

Ⅰ. Describe what this PR did

Fix duplicated cache key in table meta cache.

For mysql

1.remove the single quote
2.Is case sensitive base on databaseMetaData.supportsMixedCaseIdentifiers().

For oracle

1.Is case sensitive base on double quote.
(because Oracle does not implement databaseMetaData.supportsMixedCaseIdentifiers())
2.remove the double quote.

Ⅱ. Does this pull request fix one issue?

#1928

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

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #1929 into develop will decrease coverage by 0.02%.
The diff coverage is 37.03%.

@@              Coverage Diff              @@
##             develop    #1929      +/-   ##
=============================================
- Coverage      55.06%   55.04%   -0.03%     
- Complexity      2472     2474       +2     
=============================================
  Files            444      444              
  Lines          14758    14784      +26     
  Branches        1742     1746       +4     
=============================================
+ Hits            8127     8138      +11     
- Misses          5886     5901      +15     
  Partials         745      745

Impacted Files	Coverage Δ	Complexity Δ
...ource/sql/struct/cache/AbstractTableMetaCache.java	87.87% <ø> (-0.36%)	11 <0> (-1)
...asource/sql/struct/cache/OracleTableMetaCache.java	5.88% <0%> (-0.51%)	3 <0> (ø)
...tasource/sql/struct/cache/MysqlTableMetaCache.java	80.9% <52.63%> (-5.91%)	11 <2> (+1)
...o/seata/server/coordinator/DefaultCoordinator.java	48.41% <0%> (+0.39%)	28% <0%> (+1%)	⬆️
...in/java/io/seata/server/session/GlobalSession.java	85.02% <0%> (+0.48%)	68% <0%> (+1%)	⬆️

[xingfudeshi]

LGTM.

[slievrly]

LGTM