[GLUTEN-7078][CORE] The fallback check for Scan should not be skipped when DPP is present

[wang-zhun]

What changes were proposed in this pull request?

(Fixes: #7078) performing fallback detection for Scan in advance is good and does not introduce any side effects.

How was this patch tested?

manual tests

[github-actions[bot]]

Thanks for opening a pull request!

Could you open an issue for this pull request on Github Issues?

https://github.com/apache/incubator-gluten/issues

Then could you also rename commit message and pull request title in the following format?

[GLUTEN-${ISSUES_ID}][COMPONENT]feat/fix: ${detailed message}

See also:

• Other pull requests

[github-actions[bot]]

Run Gluten Clickhouse CI

[github-actions[bot]]

https://github.com/apache/incubator-gluten/issues/7078

[zzcclp]

it better to add some ut for this scenario.

[wang-zhun]

it better to add some ut for this scenario.

ok, thank you for the response.

[github-actions[bot]]

This PR is stale because it has been open 45 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[zhztheplayer]

Do we have any updates on this PR?

[zhztheplayer]

I think the if conditions are no longer needed after clean up https://github.com/apache/incubator-gluten/pull/6035? Let's merge to see if everything goes fine. cc @zzcclp