fix(manager): screenshot upload concurrency limit #1854

Job	Run time
prepare-win32	16m 57s
prepare	10m 16s
deployment	0s
packages (@slicemachine/plugin-kit)	1m 57s
packages (@slicemachine/manager)	4m 50s
e2e	9m 58s
prettier	1m 24s
packages (@slicemachine/init)	2m 25s
packages (slice-machine-ui)	5m 16s
packages (start-slicemachine)	1m 16s
packages (@slicemachine/adapter-next)	1m 54s
packages (@slicemachine/adapter-nuxt)	2m 25s
packages (@slicemachine/adapter-nuxt2)	2m 8s
packages (@slicemachine/adapter-sveltekit)	2m 10s
packages-win32 (@slicemachine/plugin-kit)	3m 43s
packages-win32 (@slicemachine/manager)	9m 19s
packages-win32 (@slicemachine/init)	3m 32s
packages-win32 (slice-machine-ui)	5m 44s
packages-win32 (start-slicemachine)	2m 47s
packages-win32 (@slicemachine/adapter-next)	3m 37s
packages-win32 (@slicemachine/adapter-nuxt)	3m 25s
packages-win32 (@slicemachine/adapter-nuxt2)	3m 8s
packages-win32 (@slicemachine/adapter-sveltekit)	3m 27s
	1h 41m 38s

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