do not break SubscriptionSet schema

src/realm/sync/subscriptions.hpp

@@ -107,16 +107,16 @@ class SubscriptionSet {
         Pending,
         // The server is currently sending the initial state that represents this subscription set to the client.
         Bootstrapping,
-        // The last bootstrap message containing the initial state for this subscription set has been received. The
-        // client is awaiting a mark message to mark this subscription as fully caught up to history.
-        AwaitingMark,
         // This subscription set is the active subscription set that is currently being synchronized with the server.
         Complete,
         // An error occurred while processing this subscription set on the server. Check error_str() for details.
         Error,
         // The server responded to a later subscription set to this one and this one has been trimmed from the
         // local storage of subscription sets.
         Superseded,
+        // The last bootstrap message containing the initial state for this subscription set has been received. The
+        // client is awaiting a mark message to mark this subscription as fully caught up to history.
+        AwaitingMark,
     };
 
     static constexpr int64_t EmptyVersion = int64_t(-1);