Filter user issues from Sentry

(cherry picked from commit 03d361f5537bfc0caba1b86085f974570942fdbc)

Co-authored-by: Qstick <qstick@gmail.com>

src/NzbDrone.Common/Instrumentation/Sentry/SentryTarget.cs

@@ -43,7 +43,13 @@ namespace NzbDrone.Common.Instrumentation.Sentry
             "OutOfMemoryException",
 
             // Filter out people stuck in boot loops
-            "CorruptDatabaseException"
+            "CorruptDatabaseException",
+
+            // Filter SingleInstance Termination Exceptions
+            "TerminateApplicationException",
+
+            // User config issue, root folder missing, etc.
+            "DirectoryNotFoundException"
         };
 
         public static readonly List<string> FilteredExceptionMessages = new List<string>