[Backport 3.1] Added getter for originalRequest field in IndexResolverReplacer.Resovled (#5418)

Signed-off-by: patelsmit32123 <[email protected]>
Co-authored-by: Craig Perkins <[email protected]>

Author: patelsmit32123

src/main/java/org/opensearch/security/resolver/IndexResolverReplacer.java

@@ -500,6 +500,10 @@ public Set<String> getAllIndices() {
             return allIndices;
         }
 
+        public Set<String> getOriginalRequested() {
+            return originalRequested;
+        }
+
         public Set<String> getAllIndicesResolved(ClusterService clusterService, IndexNameExpressionResolver resolver) {
             return getAllIndicesResolved(clusterService::state, resolver);
         }