Combine query params on jupyter server proxy

[randomir]

Query params of the base (external URL) and local URL are not merged, rather base query replaces the local one.

dwave-inspector/dwave/inspector/proxies.py

Lines 56 to 58 in 6c2b52a

	return update_url_from(
	url, config.jupyter_server_proxy_external_url,
	path=lambda local, ext: urljoin(ext.path, f"{local.path}/proxy/{local.port}/".lstrip('/')))