Enh sensitivity UI change #1450

Job	Run time
PyQt5 / ubuntu	5m 29s
pytest matrix / ubuntu / MNE main	7m 53s
PyQt6 / ubuntu	7m 46s
pytest matrix / ubuntu / MNE maint/1.7	8m 21s
PySide2 / ubuntu	3m 0s
pytest matrix / windows / MNE main	9m 34s
PySide6 / ubuntu	8m 5s
pytest matrix / windows / MNE maint/1.7	9m 39s
PySide6 / macos	7m 43s
pytest matrix / macos / MNE main	4m 58s
PySide6 / windows	9m 14s
pytest matrix / macos / MNE maint/1.7	4m 59s
pytest no opengl / ubuntu / MNE main	8m 2s
pytest no opengl / ubuntu / MNE maint/1.7	7m 10s
pytest old / ubuntu / MNE maint/1.5	8m 18s
pytest pip-pre / ubuntu / MNE main	8m 40s
	1h 58m 51s

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