Feature Request: Filter "message events" out of the issues list

Hey guys,

first of all thank you for your awesome work - I love Glitchtip so far. We use it not only for errors, but also to track e.g. how often something was clicked / typed / used / ... in a data privacy friendly way. What I would like to do is, to filter out the blue "message" events out of the issue list, because they have only informational purposes, whereas the "red" "Exception" events contain actual errors:

In code, this looks like:

this.sentry.captureMessage('Logout completed');

vs

Sentry.captureException(error, ...);

Maybe it's already possible, but searches like "is:exception", "is:error" or "is:message" etc. don't seem to work for me. Would be great if this was possible somewhen.

Keep up the great work and cheers
Marcel