message: Authorize SetAssemblyLevel(LEGACYFULL).
diff: @@ -121,6 +121,8 @@ void BilinearForm::SetAssemblyLevel(AssemblyLevel assembly_level)
  assembly = assembly_level;
  switch (assembly)
  {
  + case AssemblyLevel::LEGACYFULL:
  + break;
  case AssemblyLevel::FULL:
  ext = new FABilinearFormExtension(this);
  break;
  @@ -1111,6 +1113,8 @@ void MixedBilinearForm::SetAssemblyLevel(AssemblyLevel assembly_level)
  assembly = assembly_level;
  switch (assembly)
  {
  + case AssemblyLevel::LEGACYFULL:
  + break;
  case AssemblyLevel::FULL:
  // ext = new FAMixedBilinearFormExtension(this);
  // Use the original BilinearForm implementation for now
  