Fix executable permissions within Snap #46

Job	Run time
Test Processing	1m 21s
(linux/aarch64) Create Processing Build	8m 9s
(linux/x64) Create Processing Build	8m 11s
(windows/x64) Create Processing Build	8m 53s
(macos/x64) Create Processing Build	6m 1s
(macos/aarch64) Create Processing Build	3m 8s
	35m 43s

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