[SVGThumbnails]Fix hanging loop and add logs (#31116)

src/modules/previewpane/SvgThumbnailProvider/Program.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System.Globalization;
+using ManagedCommon;
 
 namespace Microsoft.PowerToys.ThumbnailHandler.Svg
 {
@@ -17,6 +18,7 @@ namespace Microsoft.PowerToys.ThumbnailHandler.Svg
         public static void Main(string[] args)
         {
             ApplicationConfiguration.Initialize();
+            Logger.InitializeLogger("\\FileExplorer_localLow\\SvgThumbnails\\logs", true);
             if (args != null)
             {
                 if (args.Length == 2)

src/modules/previewpane/SvgThumbnailProvider/SvgThumbnailProvider.cs

@@ -7,6 +7,7 @@ using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Threading;
 using Common.Utilities;
+using ManagedCommon;
 using Microsoft.Web.WebView2.Core;
 using Microsoft.Web.WebView2.WinForms;
 
@@ -197,8 +198,10 @@ namespace Microsoft.PowerToys.ThumbnailHandler.Svg
                         _browser.NavigateToString(SvgContents);
                     }
                 }
-                catch (Exception)
+                catch (Exception ex)
                 {
+                    Logger.LogError($"Failed running webView2Environment completed for {FilePath} : ", ex);
+                    thumbnailDone.Set();
                 }
             });
 

src/modules/previewpane/SvgThumbnailProvider/SvgThumbnailProvider.csproj

@@ -52,5 +52,6 @@
     <ProjectReference Include="..\..\..\common\GPOWrapper\GPOWrapper.vcxproj" />
     <ProjectReference Include="..\..\..\common\ManagedTelemetry\Telemetry\ManagedTelemetry.csproj" />
     <ProjectReference Include="..\Common\PreviewHandlerCommon.csproj" />
+    <ProjectReference Include="..\..\..\common\Common.UI\Common.UI.csproj" />
   </ItemGroup>
 </Project>