erp5_svg_editor: rename method-draw launch page

bt5/erp5_svg_editor/SkinTemplateItem/portal_skins/erp5_svg_editor/method-draw/index.html.xml → bt5/erp5_svg_editor/SkinTemplateItem/portal_skins/erp5_svg_editor/method-draw/method-draw.html.xml

@@ -8,7 +8,7 @@
       <dictionary>
         <item>
             <key> <string>__name__</string> </key>
-            <value> <string>index.html</string> </value>
+            <value> <string>method-draw.html</string> </value>
         </item>
         <item>
             <key> <string>_vars</string> </key>