Update backup restore paths for SSSS

This updates all the various key backup entry points to ensure they use a flow
that supports backups stored under secret storage.

src/components/views/dialogs/LogoutDialog.js

@@ -1,5 +1,6 @@
 /*
 Copyright 2018, 2019 New Vector Ltd
+Copyright 2020 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -94,7 +95,10 @@ export default class LogoutDialog extends React.Component {
             // verified, so restore the backup which will give us the keys from it and
             // allow us to trust it (ie. upload keys to it)
             const RestoreKeyBackupDialog = sdk.getComponent('dialogs.keybackup.RestoreKeyBackupDialog');
-            Modal.createTrackedDialog('Restore Backup', '', RestoreKeyBackupDialog, {});
+            Modal.createTrackedDialog(
+                'Restore Backup', '', RestoreKeyBackupDialog, null, null,
+                /* priority = */ false, /* static = */ true,
+            );
         } else {
             Modal.createTrackedDialogAsync("Key Backup", "Key Backup",
                 import("../../../async-components/views/dialogs/keybackup/CreateKeyBackupDialog"),