* fix: use correct validate funtion
* rename isValidQuery to isQueryWithError
* lets pretend i didnt break things again
* Loki validation: add missing comments and refactor validation function
* isValidQuery: add unit test
* Loki datasource: add tests for getQueryStats
* Remove isValidQuery function
* UnwrapParamEditor: interpolate query before testing validity
* Stats: trim queries when evaluating change
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Co-authored-by: Matias Chomicki <matyax@gmail.com>