Fixes order of <v:fill> and <v:textbox> tags for mj-section with background in outlook

Author: bvallant

mjml/elements/mj_section.py

@@ -361,8 +361,8 @@ def renderWithBackground(self, content):
         return f'''
           <!--[if mso | IE]>
             <v:rect {vrect_attrs} >
-            <v:textbox style="mso-fit-shape-to-text:true" inset="0,0,0,0">
             <v:fill {vfill_attrs} />
+            <v:textbox style="mso-fit-shape-to-text:true" inset="0,0,0,0">
           <![endif]-->
               {content}
             <!--[if mso | IE]>