John Cowen 4515d6141b ui: Replace NaN and undefined metrics values with `-` (#9200) ... * ui: Add functionality to metrics mocks: 1. More randomness during blocking queries 2. NaN and undefined values that come from prometheus 3. General trivial amends to bring things closer to the style of the project * Provider should always provide data as a string or undefined * Use a placeholder `-` if the metrics endpoint responds with undefined data		2020-11-16 15:22:24 +00:00
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metrics-providers	ui: Replace NaN and undefined metrics values with `-` (#9200)	2020-11-16 15:22:24 +00:00