[gnome-builder/wip/gtk4-port] libide/gui: add frame to right edge

[Christian Hergert <chergert src gnome org>]

commit 5c87e4773ce590190ff9c7e2eb561d97e9ab34e5
Author: Christian Hergert <chergert redhat com>
Date:   Wed Apr 27 15:45:41 2022 -0700

    libide/gui: add frame to right edge
    
    So that you can actually drop things. Also it will cause the right panel
    button to go away until you drag something to it.

 src/libide/editor/ide-editor-workspace.ui | 4 ++++
 src/libide/gui/ide-primary-workspace.ui   | 4 ++++
 2 files changed, 8 insertions(+)
---
diff --git a/src/libide/editor/ide-editor-workspace.ui b/src/libide/editor/ide-editor-workspace.ui
index ee9243735..d8e51c2b8 100644
--- a/src/libide/editor/ide-editor-workspace.ui
+++ b/src/libide/editor/ide-editor-workspace.ui
@@ -54,6 +54,10 @@
         <child type="end">
           <object class="PanelPaned" id="edge_end">
             <property name="orientation">vertical</property>
+            <child>
+              <object class="PanelFrame">
+              </object>
+            </child>
           </object>
         </child>
         <child type="bottom">
diff --git a/src/libide/gui/ide-primary-workspace.ui b/src/libide/gui/ide-primary-workspace.ui
index f768da093..71221c33a 100644
--- a/src/libide/gui/ide-primary-workspace.ui
+++ b/src/libide/gui/ide-primary-workspace.ui
@@ -77,6 +77,10 @@
         <child type="end">
           <object class="PanelPaned" id="edge_end">
             <property name="orientation">vertical</property>
+            <child>
+              <object class="PanelFrame">
+              </object>
+            </child>
           </object>
         </child>
         <child type="bottom">