Improves the Chebyshev filtering implementation

Description

Improves the Chebyshev filtering implementation

• If we set ChebyshevFilterNIter to zero, the first step behavior is disabled
• The code was computing an order higher in the recursion without using it
• Using pointers, we can avoid calling any batch copy_data_to during the recursion

News snippet

Improves the Chebyshev filtering implementation

Checklist

• I have checked that my code follows the Octopus coding standards
• I have added tests for all the new features added in this request.