HBASE-29145 Table Stats shows store file size as zero always for hbase:meta table

Author: chandrasekhar-188k

hbase-server/src/main/resources/hbase-webapps/master/table.jsp

@@ -356,6 +356,9 @@
                         double rSize = load.getStoreFileSize().get(Size.Unit.BYTE);
                         if (rSize > 0) {
                           fileSize = StringUtils.byteDesc((long) rSize);
+                          if (totalStoreFileSizeMB == 0) {
+                            totalStoreFileSizeMB += load.getStoreFileSize().get(Size.Unit.MEGABYTE);
+                          }
                         }
                         double rSizeUncompressed = load.getUncompressedStoreFileSize().get(Size.Unit.BYTE);
                         if (rSizeUncompressed > 0) {