feat: better mouse events and canvas2world methods #92

Job	Run time
check-manifest	9s
test (macos-latest, 3.11) / macos-latest py3.11 pyqt6	1m 15s
test (ubuntu-latest, 3.10) / ubuntu-latest py3.10 pyqt6	1m 6s
test (macos-latest, 3.10) / macos-latest py3.10 pyqt6	1m 19s
test (macos-latest, 3.8) / macos-latest py3.8 pyqt6	1m 55s
test (ubuntu-latest, 3.11) / ubuntu-latest py3.11 pyqt6	54s
test (ubuntu-latest, 3.8) / ubuntu-latest py3.8 pyqt6	51s
test-array-libs (macos-latest, 3.12) / macos-latest py3.12 pyqt6	1m 59s
test-array-libs (macos-latest, 3.9) / macos-latest py3.9 pyqt6	2m 10s
test-array-libs (ubuntu-latest, 3.12) / ubuntu-latest py3.12 pyqt6	3m 8s
test-array-libs (ubuntu-latest, 3.9) / ubuntu-latest py3.9 pyqt6	2m 48s
Deploy	0s
upload_coverage / Upload coverage	10s
	17m 44s

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