SQL condition's default_value confuses column verifier and cannot process the default value.

[varunmittal91]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. pytest tests/provider_config_tests/azure/

    def validate_lazy_frame_columns(self, lf: pl.LazyFrame):
        # get all columns that have edge from source
        source_columns = [
            column for column in self.__network_graph__.successors(SOURCE_COLUMN_NAME)
        ]
    
        columns_missing = sorted(set(source_columns) - set(lf.columns))
        if columns_missing:
           raise ValueError(
                f"Column(s) '{', '.join(columns_missing)}' not found in data"
            )
           ValueError: Column(s) 'Other' not found in data

• Converter version: 0.7