api(deltachat-rpc-client): add Account.wait_for_reactions_changed()

deltachat-rpc-client/src/deltachat_rpc_client/account.py

@@ -295,6 +295,12 @@ class Account:
             if event["kind"] == "SecurejoinJoinerProgress" and event["progress"] == 1000:
                 break
 
+    def wait_for_reactions_changed(self):
+        while True:
+            event = self.wait_for_event()
+            if event.kind == EventType.REACTIONS_CHANGED:
+                return event
+
     def get_fresh_messages_in_arrival_order(self) -> List[Message]:
         """Return fresh messages list sorted in the order of their arrival, with ascending IDs."""
         warn(