efl_ui_win: Disable legacy for name and type set

Those are only valid during eo_add, before finalize.
Both of these are constructors.
Add again jp's code.

src/lib/elementary/efl_ui_win.eo

@@ -565,12 +565,13 @@ class Efl.Ui.Win (Elm.Widget, Elm.Interface.Atspi.Window,
          */
          set {
             [[Can only be used at creation time, within \@ref eo_add.]]
+            legacy: null;
          }
          values {
             name: string @nullable;
          }
       }
-      @property type { /* FIXME: before finalize */
+      @property type {
          [[The type of the window.
 
            It is a hint of how the Window Manager should handle it.