Always include stack frames from samples in DEBUG configuration (#1689)

* Include stack frames from samples

* Only include samples in debug configuration

Author: mattjohnsonpint

src/Sentry/SentryOptions.cs

@@ -681,7 +681,15 @@ public SentryOptions()
                     "ServiceStack"
             };
 
+#if DEBUG
+            InAppInclude = new[]
+            {
+                "Sentry.Samples."
+            };
+#else
             InAppInclude = Array.Empty<string>();
+#endif
+
         }
     }
 }