Fix set config endpoint

modules/api/api.py

@@ -230,14 +230,10 @@ class Api:
 
         return options
 
-    def set_config(self, req: OptionsModel):
-        # currently req has all options fields even if you send a dict like { "send_seed": false }, which means it will
-        # overwrite all options with default values.
-        raise RuntimeError('Setting options via API is not supported')
-
-        reqDict = vars(req)
-        for o in reqDict:
-            setattr(shared.opts, o, reqDict[o])
+    def set_config(self, req: Dict[str, Any]):
+       
+        for o in req:
+            setattr(shared.opts, o, req[o])
 
         shared.opts.save(shared.config_filename)
         return