Add accessibility identifiers to SingleChoiceList rows and text fields

[acb-mv]

This adds the ability to add accessibilityIdentifiers to tappable rows and custom entry controls in a SingleChoiceList, preparing it for UI tests.

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This change is 

[rablador]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved

[buggmagnet]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @acb-mv)

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ios/MullvadVPN/View controllers/Settings/SwiftUI components/SingleChoiceList.swift line 223 at r1 (raw file):

            customValueInput = ""
        }
        .accessibilityIdentifier(itemAccessibilityIdentifier(item))

Have we actually tested this ?
Since we have our own custom override of UIAccessibilityIdentification which will try to case the value to the AccessibilityIdentifier enum, if that string is not present in the raw representation, it will just crash at runtime.

Or is SwiftUI using a different protocol for accessibility ?

[acb-mv]

ios/MullvadVPN/View controllers/Settings/SwiftUI components/SingleChoiceList.swift line 223 at r1 (raw file):

Previously, buggmagnet wrote…

Have we actually tested this ?
Since we have our own custom override of UIAccessibilityIdentification which will try to case the value to the AccessibilityIdentifier enum, if that string is not present in the raw representation, it will just crash at runtime.

Or is SwiftUI using a different protocol for accessibility ?

SwiftUI has a modifier which accepts a String as the identifier.
https://developer.apple.com/documentation/swiftui/view/accessibilityidentifier(_:)

[buggmagnet]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion

[github-actions]

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