tdf#140397 make contenttoggle button visible again in all backends

fixes regression introduced by commit
b80c2745c50d064ad9e673cf8a5b73aaf0aa1778

Change-Id: Ib93a0c1b203f399f4f64681aac8e1f76509bcc63
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111439
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>
(cherry picked from commit 2b8ce3d62b71ca91df464e26ccc6c6c79d6c886f)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111454
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>
Tested-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>
diff --git a/sw/uiconfig/swriter/ui/navigatorpanel.ui b/sw/uiconfig/swriter/ui/navigatorpanel.ui
index 26cd04a..e8aa7fd 100644
--- a/sw/uiconfig/swriter/ui/navigatorpanel.ui
+++ b/sw/uiconfig/swriter/ui/navigatorpanel.ui
@@ -260,6 +260,7 @@
                        <property name="toolbar_style">icons</property>
                        <child>
                          <object class="GtkToggleToolButton" id="contenttoggle">
                            <property name="visible">True</property>
                            <property name="can_focus">False</property>
                            <property name="tooltip_text" translatable="yes" context="navigatorpanel|contenttoggle|tooltip_text">Toggle Master View</property>
                            <property name="icon_name">sw/res/sc20244.png</property>