Update Gradio app interface theme and configuration

- Removed the explicit theme setting in the build_interface function.
- Added theme configuration to launch_kwargs in the _launch_app function for consistent theming across the application.

app.py

@@ -327,7 +327,7 @@ FOOTER_MD = f"""
 
 
 def build_interface() -> gr.Blocks:
-    with gr.Blocks(title="GigaAM-v3 ASR demo", theme=gr.themes.Ocean()) as demo:
+    with gr.Blocks(title="GigaAM-v3 ASR demo") as demo:
         gr.Markdown(DESCRIPTION_MD)
 
         with gr.Row():
@@ -393,6 +393,7 @@ def _launch_app() -> None:
     launch_kwargs = {
         "server_name": os.getenv("GRADIO_SERVER_NAME", "0.0.0.0" if is_space else "127.0.0.1"),
         "server_port": int(os.getenv("GRADIO_SERVER_PORT", "7860")),
+        "theme": gr.themes.Ocean(),
     }
     if not is_space and os.getenv("GRADIO_SHARE", "0") == "1":
         launch_kwargs["share"] = True