Overlap estimation still refers to the default dict

[martin-rdz]

Discovered when setting up pollyxt_cyp with AS. The default_dict should be included inside the polly_config_dict.

PicassoPy/ppcpy/qc/overlapEst.py

Line 417 in 3093b07

ovl_files_for = [k for k in data_cube.polly_default_dict.keys() if 'overlapFile_' in k]