[VL] Refactor cast validator in velox to substrait validation
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enhancement
- Dominant language
- Scala
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- Avg merge
- 2d 14h
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- 80
Description
### Description
Currently the cast validation is hacky with a bunch of conditions added over time which makes the code unreadable and hard to maintain.
Refactor the validator in velox to substrait to make cast validations consolidated and more maintainable.
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