fix: prevent onDestroy when back is clicked

[hgapsilva]

when having native with a react native fragment, after entering that fragment and then using the back hardware, the app crashes

[hirbod]

Hi @hgapsilva,

thanks for your PR. I'll verify it this weekend and create a new release once I am adding support for 0.73

[chrysb]

Can you please merge this? It's almost been two months and this is crashing our app.