fix: Align accountNumberLast4Digits with Android #822

Job	Run time
Unit Tests - Debug App	8m 18s
Unit Tests - SDK	6m 49s
Optional SDK Tests (nol-pay, Package.NolPay.swift)	3m 36s
Optional SDK Tests (klarna, Package.Klarna.swift)	3m 58s
Optional SDK Tests (3DS, Package.3DS.swift)	3m 34s
Optional SDK Tests (stripe, Package.Stripe.swift)	4m 10s
SonarCloud	1m 16s
Build app with SPM Integration	4m 39s
Run Critical Path UI Tests	24m 45s
Build and upload app to Appetize	4m 54s
	1h 5m 59s

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