The proximal neighbor count map is empty on large 2D images

[haesleinhuepf]

... from the napari interface only. In python/jupyter it works.

Details:
https://forum.image.sc/t/cannot-visualize-proximal-neighbor-count-using-napari-assistant/71218/6

[haesleinhuepf]

On an intel Iris GPU, the result looks like this:

Same PC, but the RTX 3050 TI GPU:

The operation is very slow, especially on the Intel GPU (one minute compute time approximatel) but works.