Feature/230 rebuild old style h5 datasets #931

Job	Run time
⬢ Prepare Node.js	23s
🔍 Check if pull request	3s
🐍 Prepare Python	37s
🧱 Build test matrix	9s
🗃 Build datasets	2m 10s
📝 Build API docs	37s
🔍 Check	2m 28s
🧱 Build Spotlight	3m 34s
🧪 Doc Test	1m 17s
🧪 Unit Test	2m 16s
🔍 Check wheel contents	29s
🧪 UI Test (chrome)	2m 42s
🧪 Integration Test (ubuntu-latest, 3.8)	11m 27s
🧪 UI Test (firefox)	3m 49s
🚀 Release Spotlight	0s
	32m 1s

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