Merge pull request #4169 from t20100/rework-profile-thread #1745

Job	Run time
Python 3.8 on ubuntu-20.04 PyQt5	9m 46s
Python 3.11 on ubuntu-latest PyQt6	9m 49s
Python 3.13 on ubuntu-latest PySide6	9m 38s
Python 3.10 on macos-13 PyQt5	12m 17s
Python 3.13 on macos-13 PyQt6	12m 21s
Python 3.9 on macos-13 PySide6	11m 36s
Python 3.9 on windows-latest PyQt5	9m 52s
Python 3.12 on windows-latest PyQt6	10m 35s
Python 3.10 on windows-latest PySide6	10m 48s
	1h 36m 42s

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