Fixed an issue where the Preferences file stream was left open #370

Job	Run time
Test Processing	2m 45s
(macos/aarch64) Create Processing Build	3m 39s
(macos/x64) Create Processing Build	10m 32s
(linux/x64) Create Processing Build	9m 19s
(windows/x64) Create Processing Build	5m 16s
(linux/aarch64) Create Processing Build	7m 41s
	39m 12s

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