PoC: Allow loading images by name from imagestore #4882

Job	Run time
Integration tests	1m 17s
Colima (v0.6.5)	12s
Lints	54s
Integration tests (on Linux) (alpine.yaml)	11s
Integration tests (on Linux) (debian.yaml)	9s
Unit tests (1.21.x)	26s
Integration tests (on Linux) (fedora.yaml)	12s
Integration tests (on Linux) (archlinux.yaml)	12s
Unit tests (1.22.x)	26s
Integration tests (on Linux) (opensuse.yaml)	11s
Integration tests (on Linux) (experimental/net-user-v2.yaml)	12s
Windows tests	2m 23s
Integration tests (on Linux) (experimental/9p.yaml)	10s
Upgrade test (v0.15.1)	15m 20s
Integration tests (on Linux) (docker.yaml)	10s
VMNet test	1m 48s
Integration tests (on Linux) (../hack/test-templates/alpine-9p-writable.yaml)	11s
Integration tests (on Linux) (../hack/test-templates/test-misc.yaml)	12s
vz (experimental/vz.yaml)	1m 19s
vz (fedora.yaml)	1m 0s
	26m 55s

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