Regression: When no results are found, the table is still drawn but incorrectly appears to use histogram data

[bryanlb]

Description

When attempting to perform a search that has no results, the plugin under Grafana 10 now appears to render a table but incorrectly uses the values of the histogram.

I have verified that there are indeed no hits in the response payload. This can be reproduced by searching for a string that does not return results (ie, "asdf" in the example below). I suspect this may be related to #51, as this appears to be a recent issue.