[NT-526] Max pledge error handling polish

Kickstarter-iOS/Views/Controllers/PledgeAmountViewController.swift

@@ -220,4 +220,5 @@ private let maxPledgeAmountErrorLabelStyle: LabelStyle = { label in
     |> \.font .~ UIFont.ksr_caption1()
     |> \.numberOfLines .~ 0
     |> \.textColor .~ UIColor.ksr_red_400
+    |> \.textAlignment .~ .right
 }

Library/ViewModels/PledgeAmountViewModel.swift

@@ -155,14 +155,12 @@ public final class PledgeAmountViewModel: PledgeAmountViewModelType,
       .skipRepeats()
 
     self.maxPledgeAmountErrorLabelText = updatedValue
-      .map { ($0.0, $0.1) }
+      .map(second)
       .combineLatest(with: project)
-      .map(unpack)
-      .map { min, max, project in
-
-        Strings.Please_enter_a_pledge_amount_between_min_and_max(
-          min: Format.currency(min, country: project.country, omitCurrencyCode: false),
-          max: Format.currency(max, country: project.country, omitCurrencyCode: false)
+      .map { max, project in
+        Strings.The_maximum_pledge_is_max_pledge(
+          max_pledge:
+          Format.currency(max, country: project.country, omitCurrencyCode: false)
         )
       }
       .skipRepeats()

Library/ViewModels/PledgeAmountViewModelTests.swift

@@ -891,14 +891,14 @@ internal final class PledgeAmountViewModelTests: TestCase {
     self.vm.inputs.stepperValueChanged(10_100)
 
     self.maxPledgeAmountErrorLabelText.assertValues([
-      "Please enter a pledge amount between US$ 25 and US$ 10,000."
+      "The maximum pledge is US$ 10,000."
     ])
 
     self.vm.inputs.selectedShippingAmountChanged(to: 30.0)
 
     self.maxPledgeAmountErrorLabelText.assertValues([
-      "Please enter a pledge amount between US$ 25 and US$ 10,000.",
-      "Please enter a pledge amount between US$ 25 and US$ 9,970."
+      "The maximum pledge is US$ 10,000.",
+      "The maximum pledge is US$ 9,970."
     ])
   }