fix: format and clean code in modules

[msgui]

Purpose of the PR

• subtask of #2435

Main Changes

Format & clean code in submodels:

1. API
2. Scylladb
3. Postgresql
4. Rocksdb
5. Palo
6. Mysql
7. Hbase
8. Cassandra
9. Test

Verifying these changes

• [ ] Trivial rework / code cleanup without any test coverage. (No Need)
• [ ] Already covered by existing tests, such as (please modify tests here).
• [ ] Need tests and can be verified as follows:
  • xxx

Does this PR potentially affect the following parts?

• [ ] Nope
• [ ] Dependencies (add/update license info)
• [ ] Modify configurations
• [ ] The public API
• [ ] Other affects (typed here)

Documentation Status

• [ ] Doc - TODO
• [ ] Doc - Done
• [ ] Doc - No Need

[codecov[bot]]

Codecov Report

Attention: 79 lines in your changes are missing coverage. Please review.

Comparison is base (7586779) 66.21% compared to head (e13dea5) 66.23%.

Files	Patch %	Lines
...n/java/org/apache/hugegraph/api/graph/EdgeAPI.java	58.62%	7 Missing and 5 partials :warning:
...java/org/apache/hugegraph/api/graph/VertexAPI.java	9.09%	9 Missing and 1 partial :warning:
.../org/apache/hugegraph/opencypher/CypherPlugin.java	0.00%	8 Missing :warning:
...egraph/backend/store/cassandra/CassandraShard.java	37.50%	5 Missing :warning:
...egraph/backend/store/cassandra/CassandraStore.java	50.00%	4 Missing and 1 partial :warning:
.../java/org/apache/hugegraph/api/graph/BatchAPI.java	33.33%	4 Missing :warning:
.../apache/hugegraph/api/filter/LoadDetectFilter.java	25.00%	3 Missing :warning:
...ain/java/org/apache/hugegraph/api/job/TaskAPI.java	0.00%	3 Missing :warning:
...egraph/backend/store/cassandra/CassandraTable.java	62.50%	1 Missing and 2 partials :warning:
...raph/backend/store/rocksdb/RocksDBStdSessions.java	81.25%	3 Missing :warning:
... and 16 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2439 +/- ## ============================================ + Coverage 66.21% 66.23% +0.01% + Complexity 828 827 -1 ============================================ Files 511 511 Lines 42598 42594 -4 Branches 5942 5938 -4 ============================================ + Hits 28208 28212 +4 + Misses 11582 11576 -6 + Partials 2808 2806 -2 ```

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