Pressing back before “other accounts” have loaded in the Plus menu causes tab bar to change

Issue:

As a Monzo Plus subscriber, go to the Plus tab option on the tab bar, and select the option to link other accounts to Monzo. Before the app has a successfully pulled back the list of supported cards and banks, press the back button. If done correctly, the tab bar will change from “Plus” to “Choose your Account”, and you won’t be able to access the Monzo Plus menu anymore

OS: iOS14 beta 2
Device: iPhone X
App Version: Tested on 3.42.0 and 3.41.1

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