Roll back Avalonia package (it rejects NodePool class in UI)

Author: Coding-Enthusiast

Src/Denovo/Denovo.csproj

@@ -14,8 +14,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="0.10.17" />
-    <PackageReference Include="Avalonia.Desktop" Version="0.10.17" />
+    <PackageReference Include="Avalonia" Version="0.10.6" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.6" />
   </ItemGroup>
 
   <ItemGroup>