[FIX] board: add extra info

When an element is added to the dashboard, it is unclear to the user
that he needs to refresh the browser for the changes to take effect.

opw-1853242

addons/board/i18n/board.pot

@@ -120,6 +120,13 @@ msgstr ""
 msgid "My Dashboard"
 msgstr ""
 
+#. module: board
+#. openerp-web
+#: code:addons/board/static/src/js/favorite_menu.js:99
+#, python-format
+msgid "Please refresh your browser for the changes to take effect."
+msgstr ""
+
 #. module: board
 #: model:ir.actions.act_window,help:board.open_board_my_dash_action
 msgid "To add your first report into this dashboard, go to any\n"

addons/board/static/src/js/favorite_menu.js

@@ -94,7 +94,10 @@ FavoriteMenu.include({
             })
             .then(function (r) {
                 if (r) {
-                    self.do_notify(_.str.sprintf(_t("'%s' added to dashboard"), name), '');
+                    self.do_notify(
+                        _.str.sprintf(_t("'%s' added to dashboard"), name),
+                        _t('Please refresh your browser for the changes to take effect.')
+                    );
                 } else {
                     self.do_warn(_t("Could not add filter to dashboard"));
                 }