feat: resize & focus tracking in view_data #85

Job	Run time
build	1m 45s
tests / Load tox environments	5s
tests / codestyle (ubuntu-latest)	13s
tests / py36-test (ubuntu-20.04)	2m 33s
tests / py38-test (ubuntu-latest)	2m 30s
tests / py37-test (macos-13)	44s
tests / py310-test (macos-latest)	2m 12s
tests / py39-test (windows-latest)	5m 23s
tests / py38-notebooks (ubuntu-latest)	2m 27s
tests / py37-notebooks (macos-13)	53s
tests / py39-notebooks (windows-latest)	5m 8s
visual-regression-tests	42s
	24m 35s

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