Internalize dynamic expression parsing library

We need to introduce small modifications to improve editing experience,
but System.Linq.Dynamic has since been deprecated.

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>