Event listener overhead reduction pt. 3 (#52455)

* Remove unused field * Reduce common-case EventWrittenEventArgs overheads Store PayloadNames on EventMetadata instead of EventWrittenEventArgs * Avoid duplication around TraceLoggingEventTypes * Move GetParameterNames into property getter * While => For * Add EventMetadata.ParameterTypes * Defer fetching ParameterTypes * Add RequiresUnreferencedCode attribute to TraceLoggingEventTypes getter * Revert init => get * ActivityId => RelatedActivityId * Remove eventId arg from DispatchToAllListeners * Store the first caller's ActivityId in EventWrittenEventArgs * Move ActivityId from MoreInfo to base object

Author: MihaZupan