LoggerInformation should call into ILogger.IsEnabled

[pakrym]

So logger like EventSourceLogger can provide additional filtering.

[Eilon]

Any perf concerns here? I don't recall any specifics here, but I recall in general that a lot of the logger stuff was written in a particular way due to perf. But maybe not this.

[pakrym]

We would only call into the child logger if all other filters are satisfied. This doesn't regress filtering-out case and even improves perf when logger has a stricter internal filter.

[pakrym]

Checked this again, we call logger.IsEnabled later down the line.