Fix NLogLoggingConfiguration to handle throwConfigExceptions with NLog 5.0 (#531)

Author: snakefoot

src/NLog.Extensions.Logging/Config/NLogLoggingConfiguration.cs

@@ -175,7 +175,7 @@ private IEnumerable<KeyValuePair<string, string>> GetValues()
                     {
                         yield return new KeyValuePair<string, string>("type", GetConfigKey(_configurationSection));
                     }
-                    else
+                    else if (!_topElement)
                     {
                         yield return new KeyValuePair<string, string>("name", GetConfigKey(_configurationSection));
                     }

test/NLog.Extensions.Logging.Tests/NLogLoggingConfigurationTests.cs

@@ -273,6 +273,7 @@ private static NLogLoggingConfiguration CreateNLogLoggingConfigurationWithNLogSe
         private static Dictionary<string, string> CreateMemoryConfigConsoleTargetAndRule(string sectionName = DefaultSectionName)
         {
             var memoryConfig = new Dictionary<string, string>();
+            memoryConfig[$"{sectionName}:throwConfigExceptions"] = "true";
             memoryConfig[$"{sectionName}:Rules:0:logger"] = "*";
             memoryConfig[$"{sectionName}:Rules:0:minLevel"] = "Trace";
             memoryConfig[$"{sectionName}:Rules:0:writeTo"] = "File,Console";