Lower CoerceType blocks into "INSTANCEOF" Filter blocks. Indended for folded IR blocks.

def lower_folded_coerce_types_into_filter_blocks(folded_ir_blocks):
    """Lower CoerceType blocks into "INSTANCEOF" Filter blocks. Indended for folded IR blocks."""
    new_folded_ir_blocks = []
    for block in folded_ir_blocks:
        if isinstance(block, CoerceType):
            new_block = convert_coerce_type_to_instanceof_filter(block)
        else:
            new_block = block

        new_folded_ir_blocks.append(new_block)

    return new_folded_ir_blocks