[iOS] Negative Balance & Withdraw From Pot Calculation

Issue:

Currently my balance is on -£6.35
If I go to withdraw £5 from my Pot it shows my balance as £1.35 instead of -£1.35.

Details to reproduce:
Follow steps above
OS:
iOS 12
Device:
iPhone X
App Version:
2.38.0 (but has happened for aaaageeesss)

Screenshots:

image

image

This problem has been reported here:

https://community.monzo.com/t/android-ios-negative-balance-not-correctly-displayed-on-pot-withdrawal-screen/41955?u=awjdean

Although Monzo do seem to have trouble with negative balances elsewhere too:

https://community.monzo.com/t/ios-no-negative-sign-when-transferring-with-negative-balance/47961?u=awjdean

https://community.monzo.com/t/ios-withdrawing-from-a-pot-containing-less-than-5/50255?u=awjdean