Fix firstname field indentation

partner_firstname/partner_view.xml

@@ -11,7 +11,7 @@
         <xpath expr="//div[@class='oe_title']" position="after">
           <group attrs="{'invisible': [('is_company', '=', True)]}">
               <field name="lastname" attrs="{'required': [('is_company', '=', False)]}"/>
-            <field name="firstname" />
+              <field name="firstname" />
           </group>
         </xpath>
       </field>