[gnome-builder/wip/exalm/lists: 2/6] Consistently use .navigation-sidebar for sidebars

[Alexander Mikhaylenko <alexm src gnome org>]

commit d364583c4bed7e6f104b8e2e04893bcff31bcb65
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Jul 25 08:15:13 2022 +0400

    Consistently use .navigation-sidebar for sidebars

 src/plugins/project-tree/gbp-project-tree-pane.ui | 1 +
 src/plugins/testui/gbp-testui-panel.ui            | 3 +++
 src/plugins/todo/gbp-todo-panel.c                 | 2 ++
 3 files changed, 6 insertions(+)
---
diff --git a/src/plugins/project-tree/gbp-project-tree-pane.ui 
b/src/plugins/project-tree/gbp-project-tree-pane.ui
index 2715ffde5..b14982cb4 100644
--- a/src/plugins/project-tree/gbp-project-tree-pane.ui
+++ b/src/plugins/project-tree/gbp-project-tree-pane.ui
@@ -10,6 +10,7 @@
             <property name="visible">true</property>
             <style>
               <class name="project-tree"/>
+              <class name="navigation-sidebar"/>
             </style>
           </object>
         </child>
diff --git a/src/plugins/testui/gbp-testui-panel.ui b/src/plugins/testui/gbp-testui-panel.ui
index bdf6f8827..62047fb7e 100644
--- a/src/plugins/testui/gbp-testui-panel.ui
+++ b/src/plugins/testui/gbp-testui-panel.ui
@@ -53,6 +53,9 @@
                 </property>
               </object>
             </property>
+            <style>
+              <class name="navigation-sidebar"/>
+            </style>
           </object>
         </child>
       </object>
diff --git a/src/plugins/todo/gbp-todo-panel.c b/src/plugins/todo/gbp-todo-panel.c
index e1beb3837..a2fb3845f 100644
--- a/src/plugins/todo/gbp-todo-panel.c
+++ b/src/plugins/todo/gbp-todo-panel.c
@@ -322,6 +322,8 @@ gbp_todo_panel_init (GbpTodoPanel *self)
 
   ide_fancy_tree_view_set_data_func (IDE_FANCY_TREE_VIEW (self->tree_view),
                                      gbp_todo_panel_cell_data_func, NULL, NULL);
+
+  gtk_widget_add_css_class (GTK_WIDGET (self->tree_view), "navigation-sidebar");
 }
 
 /**