Update isthinclient enabled check with gateway mode.

Author: aavasthy

Microsoft.Azure.Cosmos/src/DocumentClient.cs

@@ -1098,9 +1098,9 @@ private async Task<bool> GetInitializationTaskAsync(IStoreClientFactory storeCli
             this.partitionKeyRangeCache = new PartitionKeyRangeCache(this, this.GatewayStoreModel, this.collectionCache, this.GlobalEndpointManager, this.enableAsyncCacheExceptionNoSharing);
             this.ResetSessionTokenRetryPolicy = new ResetSessionTokenRetryPolicyFactory(this.sessionContainer, this.collectionCache, this.retryPolicy);
 
-            gatewayStoreModel.SetCaches(this.partitionKeyRangeCache, this.collectionCache);
-
-            if (this.isThinClientEnabled)
+            gatewayStoreModel.SetCaches(this.partitionKeyRangeCache, this.collectionCache);
+
+            if (this.ConnectionPolicy.ConnectionMode == ConnectionMode.Gateway && this.isThinClientEnabled)
             {
                 ThinClientStoreModel thinClientStoreModel = new (
                     endpointManager: this.GlobalEndpointManager,