fix(152): cml ls --all-users display wrong owner

[sgherdao]

• use client.all_labs() then for each lab lab.details()
• optimzation: use lab_details dict instead of lab.attrs as much as possible since most are properties, some with cache invalidation mechanisms. (we still use lab.statistics needed to get interface info)
• add details method to CachedLab
• add new mock for GET /labs/{lab_id}

[sgherdao]

#152

[coveralls]

Pull Request Test Coverage Report for Build 9701711915

Details

• 14 of 14 (100.0%) changed or added relevant lines in 3 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.08%) to 75.758%

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Files with Coverage Reduction	New Missed Lines	%
virl/api/cml.py	3	86.67%

Totals
Change from base Build 9625913576:	-0.08%
Covered Lines:	1950
Relevant Lines:	2574

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💛 - Coveralls

[sgherdao]

I can probably remove some stuff from CachedLab, to get back those 0.08 % :)

[sgherdao]

closing that one