Doublechecking and minor fixes

qim3d/detection/_common_detection_methods.py

qim3d/features/_common_features_methods.py

qim3d/filters/_common_filter_methods.py

qim3d/generate/_aggregators.py

qim3d/gui/annotation_tool.py

qim3d/gui/data_explorer.py

qim3d/gui/interface.py

qim3d/gui/layers2d.py

qim3d/gui/local_thickness.py