tdf#121490 Hide item Standard (Viewing Mode) toolbar from menu

Change-Id: I9e3a071b9b5792a627a3c5b478ba16f0de386487
Reviewed-on: https://gerrit.libreoffice.org/63630
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <tietze.heiko@gmail.com>

officecfg/registry/data/org/openoffice/Office/UI/WriterWindowState.xcu

@@ -654,7 +654,7 @@
           <value xml:lang="en-US">Standard (Viewing Mode)</value>
         </prop>
         <prop oor:name="HideFromToolbarMenu" oor:type="xs:boolean">
-          <value>false</value>
+          <value>true</value>
         </prop>
         <prop oor:name="NoClose" oor:type="xs:boolean">
           <value>true</value>