Add priority 50 to initial-setup script #374

Job	Run time
live-iso (x86_64, flagship/flagship-live)	27m 32s
image (x86_64, base/base-disk)	19m 14s
live-iso (x86_64, gnome/gnome-live)	25m 49s
image (x86_64, flagship/base-disk)	33m 37s
live-iso (x86_64, kde/kde-live)	42m 3s
image (x86_64, gnome/base-disk)	32m 2s
live-iso (x86_64, xfce/xfce-live)	25m 37s
image (x86_64, kde/base-disk)	40m 46s
live-iso (aarch64, flagship/flagship-live)	31m 36s
image (x86_64, xfce/base-disk)	33m 17s
live-iso (aarch64, gnome/gnome-live)	27m 16s
image (aarch64, base/base-disk)	22m 2s
image (aarch64, flagship/base-disk)	35m 33s
image (aarch64, gnome/base-disk)	32m 40s
live-iso (aarch64, kde/kde-live)	35m 52s
image (aarch64, kde/base-disk)	40m 49s
live-iso (aarch64, xfce/xfce-live)	30m 37s
image (aarch64, xfce/base-disk)	35m 5s
push-image	0s
	9h 31m 27s

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