RDKEMW-5406: Response param for "org.rdk.SharedStorage.getStorageSizes" is not returned as expected

Reason for Change: Fixed the Response param for "org.rdk.SharedStorage.getStorageSizes"
Test Procedure: Test- org.rdk.SharedStorage.getStorageSizes API
Risks: Low
Priority: P1
Signed-off-by:Dineshkumar P [[email protected]]

Author: dkumar798

apis/SharedStorage/ISharedStorage.h

@@ -97,7 +97,7 @@ namespace Exchange {
         ~ISharedStorageInspector() override = default;
 
         struct NamespaceSize {
-            string ns;
+            string ns /* @text:namespace */;
             uint32_t size;
         };