Yes, an emergency coalition government would be an answer to how to get through this crisis without making it a party political issue. However, it would need a leader who could choose able people from all shades of the political spectrum and then manage them effectively and without bias into a coherent unit to make decisions for the benefit of all sections of the population and for the country as a whole, and prepared to do that without favouring his/her own party's future.
That takes real statesmanship.
Angela Rayner lashes out and calls Sunak “pint sized loser”.