refactor(material)!: update slabs from `float` to `ActsScalar` #25614

Job	Run time
linux_ubuntu	53m 53s
linux_ubuntu_extra (ubuntu2204, 20)	47m 37s
linux_ubuntu_extra (ubuntu2204_clang, 20)	52m 21s
macos	27m 13s
linux_physmon	21m 13s
linux_examples_test	21m 54s
linux_physmon_perf_report	0s
	3h 44m 11s

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