[gnome-todo] task-list-panel: Fix popover menu

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 87a80383ba6f6499d4cd2f0f15e6eb94031ff898
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sun Jun 9 16:14:20 2019 -0300

    task-list-panel: Fix popover menu
    
    A few GtkModelButton properties were replaced by
    the button "role". Also, explicitly set the main
    page name.

 src/gtd-task-list-panel.ui | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/gtd-task-list-panel.ui b/src/gtd-task-list-panel.ui
index d36126d..7b59118 100644
--- a/src/gtd-task-list-panel.ui
+++ b/src/gtd-task-list-panel.ui
@@ -10,6 +10,7 @@
     <signal name="hide" handler="on_popover_hidden_cb" object="GtdTaskListPanel" swapped="no"/>
     <child>
       <object class="GtkBox">
+        <property name="name">main</property>
         <property name="orientation">vertical</property>
         <child>
           <object class="GtkFlowBox" id="colors_flowbox">
@@ -59,8 +60,7 @@
           <object class="GtkModelButton" id="rename_header_button">
             <property name="text" translatable="yes">Rename</property>
             <property name="menu-name">main</property>
-            <property name="inverted">1</property>
-            <property name="centered">1</property>
+            <property name="role">title</property>
           </object>
         </child>
         <child>