bayesbreeze

Hello, I believe I've identified an issue with the normalization of complex-valued images in the `normalize_complex()` function defined in this [utils.py (lines 55-59)](https://github.com/HJ-harry/score-MRI/blob/8359aae5a4eca1e6d9447d35820e07f5188f9b00/utils.py#L55-L59). The current implementation separately normalizes the magnitude...