Decoupling `Base.getSketchbookFolder()` #334

Job	Run time
Test Processing	4m 3s
(linux/x64) Create Processing Build	10m 6s
(windows/x64) Create Processing Build	8m 26s
(linux/aarch64) Create Processing Build	9m 4s
(macos/x64) Create Processing Build	11m 31s
(macos/aarch64) Create Processing Build	6m 3s
	49m 13s

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