call wallet.wait_until_synchronized before commands

gui/android.py

@@ -953,7 +953,7 @@ class ElectrumGui:
             droid.dialogShow()
             wallet.start_threads(network)
             if action == 'restore':
-                wallet.restore(lambda x: None)
+                wallet.wait_until_synchronized()
             else:
                 wallet.synchronize()
             droid.dialogDismiss()

gui/gtk.py

@@ -1357,8 +1357,8 @@ class ElectrumGui():
         dialog.show()
 
         def recover_thread( wallet, dialog ):
-            wallet.restore(lambda x:x)
-            GObject.idle_add( dialog.destroy )
+            wallet.wait_until_synchronized()
+            GObject.idle_add(dialog.destroy)
 
         thread.start_new_thread( recover_thread, ( wallet, dialog ) )
         r = dialog.run()

gui/qt/installwizard.py

@@ -549,7 +549,7 @@ class InstallWizard(QDialog):
         wallet.start_threads(self.network)
 
         if action == 'restore':
-            self.waiting_dialog(lambda: wallet.restore(self.waiting_label.setText))
+            self.waiting_dialog(lambda: wallet.wait_until_synchronized(self.waiting_label.setText))
             if self.network:
                 msg = _("Recovery successful") if wallet.is_found() else _("No transactions found for this seed")
             else: