fix: Improve CLI parsing for Image Args #2360

Job	Run time
check-licenses	28s
gen-code-no-diff (macos-latest)	46s
e2e-tests (self-hosted, macos, amd64, 13, test, test-e2e-vm-serial)	24m 38s
gen-code-no-diff (windows-latest)	1m 53s
e2e-tests (self-hosted, macos, amd64, 13, test, test-e2e-container)	2m 7s
lint	40s
git-secrets	4s
e2e-tests (self-hosted, macos, amd64, 14, test, test-e2e-vm-serial)	24m 35s
go-mod-tidy-check	13s
e2e-tests (self-hosted, macos, amd64, 14, test, test-e2e-container)	2m 13s
mdlint	14s
e2e-tests (self-hosted, macos, arm64, 13, test, test-e2e-vm-serial)	22m 7s
ShellCheck	3s
unit-tests (macos-latest)	26s
e2e-tests (self-hosted, macos, arm64, 13, test, test-e2e-container)	1m 59s
e2e-tests (self-hosted, macos, arm64, 14, test, test-e2e-vm-serial)	23m 19s
windows-e2e-tests (self-hosted, windows, amd64, test, test-e2e-vm-serial)	37m 24s
unit-tests (windows-latest)	1m 11s
e2e-tests (self-hosted, macos, arm64, 14, test, test-e2e-container)	1m 54s
windows-e2e-tests (self-hosted, windows, amd64, test, test-e2e-container)	46m 9s
	3h 12m 23s

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