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[SPARK-51213][SQL] Keep Expression class info when resolving hint parameters
### What changes were proposed in this pull request?
Currently, the expression class info is explicitly erased when resolving hint parameters, this PR undo this action to keep the class info, so that it can be used in error handling for better and consistent representation in error messages.
### Why are the changes needed?
code refactoring and error improvement.
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
new tests added
### Was this patch authored or co-authored using generative AI tooling?
no
Closesapache#49950 from yaooqinn/SPARK-51213.
Authored-by: Kent Yao <[email protected]>
Signed-off-by: Kent Yao <[email protected]>
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