Remove PySide2 skip conditions and fix PySide2 signal emit calls fail… #20

Job	Run time
ubuntu-latest, py3.9, napari repo	6m 7s
ubuntu-latest, py3.10, napari repo	8m 37s
ubuntu-latest, py3.11, napari repo	7m 44s
windows-latest, py3.9, napari repo	7m 19s
windows-latest, py3.10, napari repo	10m 16s
macos-13, py3.9, napari repo	7m 14s
macos-13, py3.10, napari repo	10m 39s
macos-13, py3.11, napari repo	9m 44s
deploy	0s
	1h 7m 40s

Provide feedback