strpos (and postion and instr) throw a cast error when called with arguments of different types

[nrc]

Describe the bug

strpos accepts two arguments either of which may be Utf8 or LargeUtf8. However, if the argument types don't match, then the function throws a cast error.

To Reproduce

E.g., run SELECT position('foo' in some_col) from table; where the column type of some_col is LargeUtf8. Results in error: could not cast value to arrow_array::array::byte_array::GenericByteArray<arrow_array::types::GenericStringType<i32>> ....

Expected behavior

There should be no error.

Additional context

No response