Log all exceptions when loading Plugins (#2760)
Log all exceptions when loading Plugins (#2760)

Assembly.GetTypes() can throw a ReflectionTypeLoadException which
contains all exceptions thrown by the class loader in the
LoaderExceptions property.

Resolves #2758
JosefNemec/Playnite,JosefNemec/Playnite,JosefNemec/Playnite