Network: implement read_only datastore keys: hints and slot_data (#1286)

Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com>

CommonClient.py

@@ -134,6 +134,7 @@ class CommonContext:
     tags: typing.Set[str] = {"AP"}
     game: typing.Optional[str] = None
     items_handling: typing.Optional[int] = None
+    want_slot_data: bool = True  # should slot_data be retrieved via Connect
 
     # datapackage
     # Contents in flux until connection to server is made, to download correct data for this multiworld.
@@ -309,7 +310,7 @@ class CommonContext:
             'cmd': 'Connect',
             'password': self.password, 'name': self.auth, 'version': Utils.version_tuple,
             'tags': self.tags, 'items_handling': self.items_handling,
-            'uuid': Utils.get_unique_identifier(), 'game': self.game
+            'uuid': Utils.get_unique_identifier(), 'game': self.game, "slot_data": self.want_slot_data,
         }
         if kwargs:
             payload.update(kwargs)
@@ -801,6 +802,7 @@ if __name__ == '__main__':
         tags = {"AP", "IgnoreGame", "TextOnly"}
         game = ""  # empty matches any game since 0.3.2
         items_handling = 0b111  # receive all items for /received
+        want_slot_data = False  # Can't use game specific slot_data
 
         async def server_auth(self, password_requested: bool = False):
             if password_requested and not self.password: