register /map route before gradio mount (route order fix)

_space/app.py

@@ -305,11 +305,11 @@ with ui.Blocks(title='Maastricht Kadaster Garden Finder') as demo:
     btn.click(fn=apply_filters, inputs=inputs, outputs=[status, table, download])
     demo.load(fn=apply_filters, inputs=inputs, outputs=[status, table, download])
 
-fast_app = ui.mount_gradio_app(fast_app, demo, path='/')
-
 @fast_app.get('/map/{pid}')
 def map_page(pid: str):
     return HTMLResponse(build_map_page(pid))
 
+fast_app = ui.mount_gradio_app(fast_app, demo, path='/')
+
 if __name__ == '__main__':
     uvicorn.run(fast_app, host='0.0.0.0', port=int(os.environ.get('PORT', 7860)))