AMBARI-25827. Not able to tune the config 'hbase.regionserver.global.memstore.size' from Ambari (#3692)

diff --git a/ambari-server/src/main/resources/stacks/BIGTOP/3.2.0/services/HBASE/themes/theme.json b/ambari-server/src/main/resources/stacks/BIGTOP/3.2.0/services/HBASE/themes/theme.json
index 71e9ced..53b07e7 100755
--- a/ambari-server/src/main/resources/stacks/BIGTOP/3.2.0/services/HBASE/themes/theme.json
+++ b/ambari-server/src/main/resources/stacks/BIGTOP/3.2.0/services/HBASE/themes/theme.json
@@ -158,6 +158,10 @@
           "subsection-name": "subsection-hbase-memory-col1"
         },
         {
+          "config": "hbase-site/hbase.regionserver.global.memstore.size",
+          "subsection-name": "subsection-hbase-memory-col1"
+        },
+        {
           "config": "hbase-site/hbase.hregion.memstore.flush.size",
           "subsection-name": "subsection-hbase-memory-col2"
         },
@@ -366,4 +370,4 @@
       }
     ]
   }
-}
\ No newline at end of file
+}