Add failovering/failbacking status and isFailedOver property to cloudPC

- Add 'failovering' (Value=17) and 'failbacking' (Value=18) to cloudPcStatus enum
- Add 'isFailedOver' Boolean property to cloudPC entity type
- These support disaster recovery failover/failback scenarios for Cloud PCs

Author: ms-linxin

schemas/beta-Prod.csdl

@@ -2667,6 +2667,8 @@
         <Member Name="modifyingSingleSignOn" Value="14" />
         <Member Name="refreshPolicyConfiguration" Value="15" />
         <Member Name="preparing" Value="16" />
+        <Member Name="failovering" Value="17" />
+        <Member Name="failbacking" Value="18" />
       </EnumType>
       <EnumType Name="cloudPcStorageAccountAccessTier">
         <Member Name="hot" Value="0" />
@@ -26148,6 +26150,7 @@
         <Property Name="displayName" Type="Edm.String" />
         <Property Name="frontlineCloudPcAvailability" Type="graph.frontlineCloudPcAvailability" />
         <Property Name="gracePeriodEndDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="isFailedOver" Type="Edm.Boolean" />
         <Property Name="groupDetail" Type="graph.cloudPcEntraGroupDetail" />
         <Property Name="imageDisplayName" Type="Edm.String" />
         <Property Name="lastLoginResult" Type="graph.cloudPcLoginResult" />