Internalize dynamic expression parsing library

Although System.Linq.Dynamic has been deprecated, we need to introduce
small modifications to improve editing experience.

Here we internalize the archived source to support these modifications.

Author: glopesdev

src/Bonsai.Scripting.Expressions/Bonsai.Scripting.Expressions.csproj

@@ -5,6 +5,5 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Bonsai.Core" Version="2.9.0" />
-    <PackageReference Include="System.Linq.Dynamic" Version="1.0.7" />
   </ItemGroup>
 </Project>