[Enhancement] Kudu scanner should be allowed to do non-share scan.

[Jcnessss]

Why I'm doing:

For now, all scanners generated by HiveDataSource are not allowed to do non-share scan. It makes sense for file scans since the size of each file might diff a lot. But the sizes of the tablets in kudu are basically the same, so we should try to assign morsel uniformly among operators to avoid data skew (showed below).

Kudu scan:

the following project:

What I'm doing:

Allow non-share scan in kudu connector.

What type of PR is this:

• BugFix
• Feature
• Enhancement
• Refactor
• UT
• Doc
• Tool

Does this PR entail a change in behavior?

• Yes, this PR will result in a change in behavior.
• No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

• Interface/UI changes: syntax, type conversion, expression evaluation, display information
• Parameter changes: default values, similar parameters but with different default values
• Policy changes: use new policy to replace old one, functionality automatically enabled
• Feature removed
• Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

• I have added test cases for my bug fix or my new feature
• This pr needs user documentation (for new or modified features or behaviors)
  • I have added documentation for my new feature or new function
• This is a backport pr

Bugfix cherry-pick branch check:

• I have checked the version labels which the pr will be auto-backported to the target branch
  • 3.4
  • 3.3
  • 3.2
  • 3.1
  • 3.0

[github-actions]

[Java-Extensions Incremental Coverage Report]

✅ pass : 0 / 0 (0%)

[github-actions]

[FE Incremental Coverage Report]

✅ pass : 0 / 0 (0%)

[github-actions]

[BE Incremental Coverage Report]

✅ pass : 9 / 9 (100.00%)

file detail

	path	covered_line	new_line	coverage	not_covered_line_detail
🔵	be/src/exec/connector_scan_node.cpp	4	4	100.00%	[]
🔵	be/src/connector/hive_connector.cpp	3	3	100.00%	[]
🔵	be/src/connector/lake_connector.h	1	1	100.00%	[]
🔵	be/src/connector/connector.h	1	1	100.00%	[]