Fix two failures in "SBE full" suites once the viewless timeseries feature flag is enabled:

1. The agg_stage_coverage.js test asserts that $planCacheStats returns zero documents. In SBE full suites, the previous aggregations fill the plan cache so this assertion fails.
2. The analyze_command.js test asserts the analyze command fails with CommandNotSupportedOnView on timeseries. On legacy timeseries this happens due to the acquisition failing, we should also make it fail on viewless timeseries.