[UX] Make "No fleets" run status more explicit #3405 #6033

Job	Run time
compute-version	2s
build-docs / build-docs	1m 8s
build-artifacts / gateway-build	15s
build-artifacts / runner-test (ubuntu-latest)	1m 3s
build-artifacts / runner-test (macos-latest)	1m 28s
build-artifacts / code-lint	43s
build-artifacts / frontend-build	1m 50s
build-artifacts / generate-json-schema	0s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	35s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	28s
build-artifacts / python-build	-1s
build-artifacts / python-test	-1s
upload-pre-pypi-artifacts	0s
upload-post-pypi-artifacts	0s
	7m 30s

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