allow custom LoRA values in dropdown (API clients)

app.py

@@ -666,6 +666,7 @@ def gradio_main():
                     lora_select = gr.Dropdown(
                         label="LoRA", choices=_list_lora_choices(),
                         value="None (no LoRA)", scale=1,
+                        allow_custom_value=True,
                     )
                     lm_model_select = gr.Dropdown(
                         label="LM Model", choices=_lm_model_choices(),