Ensure set_adapter soesn't try to start a running adapter

Author: EvieePy

twitchio/client.py

@@ -188,16 +188,15 @@ async def set_adapter(self, adapter: BaseAdapter) -> None:
         -------
         None
         """
-        if self._adapter:
+        if self._adapter and self._adapter._running:
             await self._adapter.close(False)
 
         self._adapter = adapter
+        self._adapter.client = self
 
-        if self._setup_called:
+        if self._setup_called and not self._adapter._running:
             await self._adapter.run()
 
-        self._adapter.client = self
-
     @property
     def tokens(self) -> MappingProxyType[str, TokenMappingData]:
         """Property which returns a read-only mapping of the tokens that are managed by the `Client`.