Size is returning a wrong number when the persistence file store has a memory config

   <replicated-cache name="cache-example-0">
      <backups>
         <backup site="site02" strategy="SYNC"/>
      </backups>
      <memory storage="OFF_HEAP" max-count="10" when-full="REMOVE"/>
      <persistence passivation="true">
         <file-store max-entries="1000000" shared="false" preload="false" fetch-state="true" purge="true"/>
      </persistence>
   </replicated-cache>

   <replicated-cache name="cache-example-0">
      <backups>
         <backup site="site01" strategy="SYNC"/>
      </backups>
      <memory storage="OFF_HEAP" max-count="10" when-full="REMOVE"/>
      <persistence passivation="true">
         <file-store max-entries="1000000" shared="false" preload="false" fetch-state="true" purge="true"/>
      </persistence>
   </replicated-cache>