Don't try to handle svg images

src/Markdowser/Processing/Processors/CommonImageProcessor.cs

@@ -11,6 +11,11 @@ internal class CommonImageProcessor : IContentProcessor
 {
     public bool CanProcess(HttpContentHeaders httpContentHeaders)
     {
+        if (httpContentHeaders.ContentType?.MediaType == "image/svg+xml")
+        {
+            return false;
+        }
+
         return httpContentHeaders.ContentType?.MediaType?.StartsWith("image/") == true;
     }
 

src/Markdowser/ViewModels/MainWindowViewModel.cs

@@ -185,7 +185,7 @@ public partial class MainWindowViewModel : ViewModelBase
 
         GlobalState.ContentReload += (sender, _) =>
         {
-            // Updatre icon when dark mode changes
+            // Update icon when dark mode changes
             this.RaisePropertyChanged(nameof(Icon));
             this.RaisePropertyChanged(nameof(Content));
         };