'cylc show': display state attributes and flows #8389

Job	Run time
1/4	2m 24s
2/4	2m 26s
3/4	2m 25s
4/4	2m 26s
py-3-latest	44s
flaky	1m 5s
_remote_background_indep_poll	1m 55s
_remote_background_indep_tcp	54s
macos 1/5	2m 29s
macos 2/5	2m 33s
codecov	1s
	19m 22s

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