TypeSignatureAsString extension now processes generic instance types (#216)

***NO_CI***

Author: josesimoes

MetadataProcessor.Shared/Extensions/TypeReferenceExtensions.cs

@@ -132,6 +132,11 @@ public static string TypeSignatureAsString(this TypeReference type)
                 return genericParamTypeSig.ToString();
             }
 
+            if (type is GenericInstanceType genericInstance)
+            {
+                return $"{genericInstance.FullName}";
+            }
+
             return "";
         }