fix: Updated CRD to fix CRDGen Error

Author: nairashu

crd/overlayextensionconfig/manifests/acn.azure.com_overlayextensionconfigs.yaml

@@ -47,10 +47,10 @@ spec:
           spec:
             description: OverlayExtensionConfigSpec defines the desired state of OverlayExtensionConfig.
             properties:
-              appGatewaySubnetID:
-                description: AppGatewaySubnetID field defines a subnet delegated to
-                  Application Gateway that should be able to reach routing domain
-                  ip addresses.
+              appGatewaySubnetGUID:
+                description: AppGatewaySubnetGUID field defines a subnet delegated
+                  to Application Gateway that should be able to reach routing domain
+                  ip addresses. This needs to be a valid GUID.
                 type: string
                 x-kubernetes-validations:
                 - message: Value is immutable