Add Directory.Build.props. (#2120)

* Add Directory.Build.props.

* Adjust Analysis related properties and add conditional enablement for ContinuousIntegrationBuild.

* Adopt new changes in master

---------

Co-authored-by: christian <6939810+chkr1011@users.noreply.github.com>

Source/MQTTnet.AspTestApp/MQTTnet.AspTestApp.csproj

@@ -1,19 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
         <IsPackable>false</IsPackable>
-        <DisableImplicitAspNetCoreAnalyzers>true</DisableImplicitAspNetCoreAnalyzers>
-        <EnableNETAnalyzers>false</EnableNETAnalyzers>
-        <EnforceCodeStyleInBuild>false</EnforceCodeStyleInBuild>
-        <NoWarn>1591;NETSDK1138;NU1803;NU1901;NU1902</NoWarn>
-        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-        <NuGetAuditMode>all</NuGetAuditMode>
-        <NuGetAudit>true</NuGetAudit>
-        <NuGetAuditLevel>low</NuGetAuditLevel>
-        <AnalysisLevel>latest-Recommended</AnalysisLevel>
+        <NoWarn>$(NoWarn);CA1707</NoWarn>
     </PropertyGroup>
 
     <ItemGroup>

Source/MQTTnet.AspTestApp/Pages/Index.cshtml.cs

@@ -6,7 +6,7 @@ using Microsoft.AspNetCore.Mvc.RazorPages;
 
 namespace MQTTnet.AspTestApp.Pages;
 
-public class IndexModel : PageModel
+public partial class IndexModel : PageModel
 {
     readonly ILogger<IndexModel> _logger;
 
@@ -17,6 +17,9 @@ public class IndexModel : PageModel
 
     public void OnGet()
     {
-        _logger.LogDebug("OnGet");
+        LogOnGet();
     }
+
+    [LoggerMessage(Level = LogLevel.Information, Message = "OnGet")]
+    private partial void LogOnGet();
 }