Docs: Adding condition to homenav link

gpdb-doc/dita/admin_guide/admin_guide.ditamap

@@ -2,7 +2,7 @@
 <!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map>
     <topicref href="../../5110/homenav.html" scope="external" navtitle="Greenplum Database 5.11 Documentation"
-        format="html"/>
+        format="html" otherprops="op-help"/>
     <topicref href="admin_guide.xml" navtitle="Administration Guide">
         <topicref href="intro/partI.xml" id="partI" format="dita">
             <topicref href="intro/arch_overview.xml" id="arch_overview"/>

gpdb-doc/dita/best_practices/best-practices.ditamap

@@ -3,7 +3,7 @@
 <map xmlns:ditaarch="http://dita.oasis-open.org/architecture/2005/" id="map">
     <title>Greenplum Database Best Practices</title>
     <topicref href="../../5110/homenav.html" scope="external" navtitle="Greenplum Database 5.11 Documentation"
-        format="html"/>
+        format="html" otherprops="op-help"/>
     <topicref href="intro.xml">
         <topicref href="summary.xml"/>
         <topicref href="sysconfig.xml"/>

gpdb-doc/dita/ref_guide/ref_guide.ditamap

@@ -2,7 +2,7 @@
 <!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map>
 	<topicref href="../../5110/homenav.html" scope="external" navtitle="Greenplum Database 5.11 Documentation"
-		format="html"/>
+		format="html" otherprops="op-help"/>
 	<topicref href="ref_guide.xml" navtitle="Reference Guide">
 		<topicref href="sql_commands/sql_ref.xml">
 			<topicref href="GPReferenceSQLSummaryLOP.xml"/>

gpdb-doc/dita/security-guide/security-guide.ditamap

@@ -2,7 +2,7 @@
 <!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map><title>Security Configuration Guide</title>
     <topicref href="../../5110/homenav.html" scope="external" navtitle="Greenplum Database 5.11 Documentation"
-        format="html"/>
+        format="html" otherprops="op-help"/>
     <topicref href="topics/preface.xml">
         <topicref href="topics/SecuringGPDB.xml"/>
         <topicref href="topics/ports_and_protocols.xml"/>

gpdb-doc/dita/utility_guide/utility_guide.ditamap

@@ -2,7 +2,7 @@
 <!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map>
     <topicref href="../../5110/homenav.html" scope="external" navtitle="Greenplum Database 5.11 Documentation"
-        format="html"/>
+        format="html" otherprops="op-help"/>
     <topicref href="utility_guide.xml" navtitle="Utility Guide">
         <topicref href="admin_utilities/util_ref.xml" linking="targetonly">
             <topicref href="admin_utilities/analyzedb.xml"/>