Fix recorded requests skipped by request logger (#346)

* Fix recorded requests skipped request logger.
- When proxy is enabled the recorded requests are mistaken (IMO) for admin requests and skipped

* Add unit test

* Use different solution

* Introduce IsRecordedByProxy property on Mapping class

* Cleanup empty lines

* Refactored fix suggested way

src/WireMock.Net/IMapping.cs

@@ -78,6 +78,14 @@ namespace WireMock
         /// <c>true</c> if this mapping is an Admin Interface; otherwise, <c>false</c>.
         /// </value>
         bool IsAdminInterface { get; }
+        
+        /// <summary>
+        /// Gets a value indicating whether this mapping to be logged.
+        /// </summary>
+        /// <value>
+        /// <c>true</c> if this mapping to be logged; otherwise, <c>false</c>.
+        /// </value>
+        bool LogMapping { get; }
 
         /// <summary>
         /// ProvideResponseAsync

src/WireMock.Net/Mapping.cs

@@ -48,6 +48,9 @@ namespace WireMock
         /// <inheritdoc cref="IMapping.IsAdminInterface" />
         public bool IsAdminInterface => Provider is DynamicResponseProvider || Provider is DynamicAsyncResponseProvider || Provider is ProxyAsyncResponseProvider;
 
+        /// <inheritdoc cref="IMapping.LogMapping" />
+        public bool LogMapping => !(Provider is DynamicResponseProvider || Provider is DynamicAsyncResponseProvider);
+
         /// <summary>
         /// Initializes a new instance of the <see cref="Mapping"/> class.
         /// </summary>

src/WireMock.Net/Owin/WireMockMiddleware.cs

@@ -7,6 +7,7 @@ using WireMock.Util;
 using Newtonsoft.Json;
 using WireMock.Http;
 using WireMock.Owin.Mappers;
+using WireMock.ResponseProviders;
 using WireMock.Serialization;
 using WireMock.Validation;
 #if !USE_ASPNETCORE
@@ -99,7 +100,7 @@ namespace WireMock.Owin
                     return;
                 }
 
-                logRequest = !targetMapping.IsAdminInterface;
+                logRequest = !targetMapping.IsAdminInterface || targetMapping.LogMapping;
 
                 if (targetMapping.IsAdminInterface && _options.AuthorizationMatcher != null)
                 {