add icons to Reply and Delete Comment

Change-Id: Ie593a8cad4d0cbd663901fcabe07e5efb98f78be
Reviewed-on: https://gerrit.libreoffice.org/46827Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: andreas_kainz <kainz.a@gmail.com>

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

@@ -6020,6 +6020,9 @@
         <prop oor:name="Label" oor:type="xs:string">
           <value xml:lang="en-US">Delete All Comments by This Author</value>
         </prop>
+        <prop oor:name="Properties" oor:type="xs:int">
+          <value>1</value>
+        </prop>
       </node>
       <node oor:name=".uno:ReplyComment" oor:op="replace">
         <prop oor:name="Label" oor:type="xs:string">
@@ -6030,6 +6033,9 @@
         <prop oor:name="Label" oor:type="xs:string">
           <value xml:lang="en-US">Delete Comment</value>
         </prop>
+        <prop oor:name="Properties" oor:type="xs:int">
+          <value>1</value>
+        </prop>
       </node>
       <node oor:name=".uno:CellVertTop" oor:op="replace">
         <prop oor:name="Label" oor:type="xs:string">