[Enhancement] Add GroupByCountDistinctRewriteRule

[Seaven]

What type of PR is this：

• [ ] bug
• [ ] feature
• [x] enhancement
• [ ] refactor
• [ ] others

Which issues of this PR fixes ：

Fixes #

Problem Summary(Required) ：

Rewrite count(distinct xx) group by x when distinct columns satisfy scan distribution e.g. select count(distinct xx) from t group by x -> select count(xx) from (select x, xx from t group by x, xx) tt group by x;

Checklist:

• [ ] I have added test cases for my bug fix or my new feature
• [ ] I have added user document for my new feature or new function

[Seaven]

run starrocks_fe_unittest

[kangkaisen]

Please add the test case the benchmark framework.

[Seaven]

run starrocks_fe_unittest

[wanpengfei-git]

run starrocks_admit_test

[wanpengfei-git]

run starrocks_admit_test

[Seaven]

run starrocks_admit_test

[wanpengfei-git]

run starrocks_admit_test

[wanpengfei-git]

run starrocks_admit_test

[sonarqubecloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
3 Code Smells

0.0% Coverage
0.0% Duplication

[Seaven]

run starrocks_fe_unittest

[wanpengfei-git]

[FE PR Coverage Check]

:heart_eyes: pass : 102 / 102 (100.00%)

file detail

	path	covered_line	new_line	coverage	not_covered_line_detail
:large_blue_circle:	com/starrocks/sql/optimizer/Optimizer.java	1	1	100.00%	[]
:large_blue_circle:	com/starrocks/sql/optimizer/rule/transformation/RewriteMultiDistinctByCTERule.java	3	3	100.00%	[]
:large_blue_circle:	com/starrocks/sql/optimizer/rule/transformation/GroupByCountDistinctRewriteRule.java	93	93	100.00%	[]
:large_blue_circle:	com/starrocks/sql/optimizer/operator/logical/LogicalAggregationOperator.java	4	4	100.00%	[]
:large_blue_circle:	com/starrocks/sql/optimizer/rule/RuleType.java	1	1	100.00%	[]