Make sure that ncp works with "Frame" and "frame" columns

[haesleinhuepf]

For example here:

napari-clusters-plotter/napari_clusters_plotter/_plotter.py

Line 356 in 7f3d602

len(self.analysed_layer.data.shape) == 4 and "frame" not in features.keys()

[haesleinhuepf]

... and FRAME