Temporal format property fix

[roll]

• fix https://github.com/BCODMO/frictionless-usecases/issues/31

[roll]

@akariv Please take a look. I've made a mistake for time fields in the first place.

[coveralls]

Pull Request Test Coverage Report for Build 407

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.008%) to 84.678%

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Totals
Change from base Build 405:	0.008%
Covered Lines:	1658
Relevant Lines:	1958

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💛 - Coveralls

[cschloer]

Any issues with this one @akariv ?