fix: eliminate sync-over-async anti-patterns (.GetAwaiter().GetResult()) - #452

Non-nullable property 'BackupDirectory' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'FailDirectory' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'TargetPath' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Cannot convert null literal to non-nullable reference type.

Non-nullable field '_fileListener' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_currentLogDate' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

'MonitorParameter' is obsolete: 'Use BowlContext instead. Will be removed in v10.'

'TextTraceListener.Dispose()' hides inherited member 'TraceListener.Dispose()'. Use the new keyword if hiding was intended.

'MonitorParameter' is obsolete: 'Use BowlContext instead. Will be removed in v10.'