Enh sensitivity UI change #1478

Job	Run time
pytest matrix / ubuntu / MNE main	10m 12s
PyQt5 / ubuntu	2m 43s
pytest matrix / ubuntu / MNE maint/1.7	10m 45s
PyQt6 / ubuntu	10m 19s
pytest matrix / windows / MNE main	10m 21s
PySide6 / ubuntu	10m 13s
pytest matrix / windows / MNE maint/1.7	9m 48s
PySide6 / macos	11m 43s
pytest matrix / macos / MNE main	5m 22s
PySide6 / windows	10m 26s
pytest matrix / macos / MNE maint/1.7	5m 3s
pytest no opengl / ubuntu / MNE main	9m 30s
pytest no opengl / ubuntu / MNE maint/1.7	8m 39s
pytest old / ubuntu / MNE maint/1.5	10m 37s
pytest pip-pre / ubuntu / MNE main	10m 35s
	2h 16m 16s

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