extensions-app: Use `.content` class for lists

Since the `.content` class comes with its own separators, we
don't need the property `use-separators` on the list.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1997>

diff --git a/subprojects/extensions-app/data/ui/extensions-window.ui b/subprojects/extensions-app/data/ui/extensions-window.ui
index 1a95f9acf68a2dfa80f732321837a5c04bbdf7ba..e69726ba50d3b2de6826a835463549fb9f3cad5f 100644 (file)
--- a/subprojects/extensions-app/data/ui/extensions-window.ui
+++ b/subprojects/extensions-app/data/ui/extensions-window.ui
@@ -155,10 +155,9 @@
                             <child>
                               <object class="GtkListBox" id="userList">
                                 <property name="selection-mode">none</property>
-                                <property name="show-separators">True</property>
                                 <property name="margin-bottom">24</property>
                                 <style>
-                                  <class name="frame"/>
+                                  <class name="content"/>
                                 </style>
                               </object>
                             </child>
@@ -179,9 +178,8 @@
                             <child>
                               <object class="GtkListBox" id="systemList">
                                 <property name="selection-mode">none</property>
-                                <property name="show-separators">True</property>
                                 <style>
-                                  <class name="frame"/>
+                                  <class name="content"/>
                                 </style>
                               </object>
                             </child>