[FIX] website: media editor: when the user save the picture, the dialog box re-open automatically. Do not re-active snippet when we save a field image

bzr revid: chm@openerp.com-20140414082617-svxpb6kuqfhjm8oa

addons/website/static/src/js/website.snippets.editor.js

@@ -1498,7 +1498,9 @@
             $(document.body).on("media-saved", self, function (event, prev , item) {
                 self.editor.onBlur();
                 self.BuildingBlock.make_active(false);
-                self.BuildingBlock.make_active($(item));
+                if (self.$target.parent().data("oe-field") !== "image") {
+                    self.BuildingBlock.make_active($(item));
+                }
             });
 
             this.$el.find(".edition").click(function (event) {