Fix Bug 1969426 : [LiveSite] Failback is taking 10 hours 25mins and token is getting expired

Author: rijethma

src/ServiceManagement/RecoveryServices/Commands.RecoveryServices/PSRecoveryServicesClient/PSRecoveryServicesClient.cs

@@ -187,7 +187,7 @@ public string GenerateAgentAuthenticationHeader(string clientRequestId)
             DateTime currentDateTime = DateTime.Now;
             currentDateTime = currentDateTime.AddHours(-1);
             cikTokenDetails.NotBeforeTimestamp = TimeZoneInfo.ConvertTimeToUtc(currentDateTime);
-            cikTokenDetails.NotAfterTimestamp = cikTokenDetails.NotBeforeTimestamp.AddHours(6);
+            cikTokenDetails.NotAfterTimestamp = cikTokenDetails.NotBeforeTimestamp.AddDays(7);
             cikTokenDetails.ClientRequestId = clientRequestId;
             cikTokenDetails.Version = new Version(1, 2);
             cikTokenDetails.PropertyBag = new Dictionary<string, object>();