[sysprof] display: fix layout of frame/separator

[Christian Hergert <chergert src gnome org>]

commit cb688f7ba16267d85d8b513e4e926d9082f16fed
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jun 26 19:48:41 2019 -0700

    display: fix layout of frame/separator

 src/libsysprof-ui/sysprof-display.ui | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)
---
diff --git a/src/libsysprof-ui/sysprof-display.ui b/src/libsysprof-ui/sysprof-display.ui
index 43661e6..13f80ce 100644
--- a/src/libsysprof-ui/sysprof-display.ui
+++ b/src/libsysprof-ui/sysprof-display.ui
@@ -18,15 +18,22 @@
             <property name="orientation">vertical</property>
             <property name="visible">true</property>
             <child>
-              <object class="SysprofVisualizersFrame" id="visualizers">
+              <object class="GtkBox">
                 <property name="vexpand">false</property>
+                <property name="orientation">vertical</property>
                 <property name="visible">true</property>
-              </object>
-            </child>
-            <child>
-              <object class="GtkSeparator">
-                <property name="orientation">horizontal</property>
-                <property name="visible">true</property>
+                <child>
+                  <object class="SysprofVisualizersFrame" id="visualizers">
+                    <property name="vexpand">true</property>
+                    <property name="visible">true</property>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkSeparator">
+                    <property name="orientation">horizontal</property>
+                    <property name="visible">true</property>
+                  </object>
+                </child>
               </object>
             </child>
             <child>