Fix bug in loadProfile method (#229)

Bug: if sync is enabled for profile, then we have alot of recursive
calls to loadProfile method because main window is still active until
sync is ended. And this freezes Anki app.

plugin/__init__.py

@@ -304,7 +304,17 @@ class AnkiConnect:
             cur_profile = self.window().pm.name
             if cur_profile != name:
                 self.window().unloadProfileAndShowProfileManager()
+
+                def waiter():
+                    # This function waits until main window is closed
+                    # It's needed cause sync can take quite some time
+                    # And if we call loadProfile until sync is ended things will go wrong
+                    if self.window().isVisible():
+                        QTimer.singleShot(1000, waiter)
+                    else:
                         self.loadProfile(name)
+
+                waiter()
         else:
             self.window().pm.load(name)
             self.window().loadProfile()