fix: order asset probes by probe timestamp

[sudo-suhas]

Prefer asset probe timestamp over the timestamp when probe was created in the system.

[coveralls]

Pull Request Test Coverage Report for Build 5174997452

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 86.023%

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Totals
Change from base Build 5174071573:	0.0%
Covered Lines:	5213
Relevant Lines:	6060

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💛 - Coveralls