spark `ilike` need to have custom nullability

[rluvaton]

Describe the bug

the UDF uses the default is_nullable which is always true which is not the case

To Reproduce

No response

Expected behavior

No response

Additional context

No response

[Eshaan-byte]

Hi! @rluvaton I'd like to work on fixing the custom nullability for spark ilike.
Could you please assign this to me?

[rluvaton]

Just write take

[Eshaan-byte]

take