Arch: Material improvements

* Fix in material editor when loading existing material
* Added some properties to Arch materials that reflect the contents of the material dictionary
* Added some similar properties to Arch equipment
* Fixed standard code button in Arch material panel to go to Omniclass website to pick a code

src/Mod/Material/MaterialEditor.py

@@ -70,6 +70,8 @@ class MaterialEditor:
             d = FreeCAD.ActiveDocument.getObject(self.obj).getPropertyByName(self.prop)
         elif self.material:
             d = self.material
+        if d:
+            self.updateContents(d)
 
 
     def updateCards(self):