Merge pull request #1174 from Unity-Technologies/fix/ShaderCompilationInMemoryAssemblies

Skip in memory assemblies for the shader generator

ScriptableRenderPipeline/Core/CoreRP/Editor/ShaderGenerator/CSharpToHLSL.cs

             // Iterate over assemblyList, discover all applicable types with fully qualified names
             var assemblyList = AppDomain.CurrentDomain.GetAssemblies()
                 // We need to exclude dynamic assemblies (their type can't be queried, throwing an exception below)
-                //.Where(ass => !ass.IsDynamic)
+                .Where(ass => !(ass.ManifestModule is System.Reflection.Emit.ModuleBuilder))
                 .ToList();
 
             foreach (var assembly in assemblyList)