.Net: Some changes to add clarity and align with the Blog Post (microsoft#11359)

### Motivation and Context

1. Include names of classes being used
2. Remove unneeded serviceId

### Description

<!-- Describe your changes, the overall approach, the underlying design.
These notes will help understanding how your code works. Thanks! -->

### Contribution Checklist

<!-- Before submitting this PR, please make sure: -->

- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄

Co-authored-by: SergeyMenshykh <[email protected]>

Author: 2 people

dotnet/samples/Demos/ModelContextProtocolPlugin/Program.cs

@@ -5,7 +5,9 @@
 using Microsoft.Extensions.Logging;
 using Microsoft.SemanticKernel;
 using Microsoft.SemanticKernel.Connectors.OpenAI;
+using ModelContextProtocol;
 using ModelContextProtocol.Client;
+using ModelContextProtocol.Protocol.Types;
 
 var config = new ConfigurationBuilder()
     .AddUserSecrets<Program>()
@@ -20,7 +22,7 @@
 
 // Create an MCPClient for the GitHub server
 await using var mcpClient = await McpClientFactory.CreateAsync(
-    new()
+    new McpServerConfig()
     {
         Id = "github",
         Name = "GitHub",
@@ -31,7 +33,14 @@
             ["arguments"] = "-y @modelcontextprotocol/server-github",
         }
     },
-    new() { ClientInfo = new() { Name = "GitHub", Version = "1.0.0" } }).ConfigureAwait(false);
+    new McpClientOptions()
+    {
+        ClientInfo = new Implementation()
+        {
+            Name = "GitHub",
+            Version = "1.0.0"
+        }
+    }).ConfigureAwait(false);
 
 // Retrieve the list of tools available on the GitHub server
 var tools = await mcpClient.ListToolsAsync().ConfigureAwait(false);
@@ -45,7 +54,6 @@
 builder.Services
     .AddLogging(c => c.AddDebug().SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace))
     .AddOpenAIChatCompletion(
-        serviceId: "openai",
         modelId: config["OpenAI:ChatModelId"] ?? "gpt-4o-mini",
         apiKey: apiKey);
 Kernel kernel = builder.Build();