Fix: text and button overlap on smaller devices in screen prompting to elevate key security

AlphaWallet/Wallet/ViewControllers/ElevateWalletSecurityViewController.swift

@@ -45,7 +45,7 @@ class ElevateWalletSecurityViewController: UIViewController {
             subtitleLabel,
             UIView.spacer(height: 40),
             imageView,
-            UIView.spacer(height: 40),
+            UIView.spacer(height: ScreenChecker().isNarrowScreen ? 15 : 40),
             descriptionLabel,
         ].asStackView(axis: .vertical)
         stackView.translatesAutoresizingMaskIntoConstraints = false

AlphaWallet/Wallet/ViewModels/ElevateWalletSecurityViewModel.swift

@@ -51,8 +51,12 @@ struct ElevateWalletSecurityViewModel {
     }
 
     var descriptionFont: UIFont {
+        if ScreenChecker().isNarrowScreen {
+            return Fonts.regular(size: 16)!
+        } else {
             return Fonts.regular(size: 20)!
         }
+    }
 
     var cancelLockingButtonFont: UIFont {
         return Fonts.regular(size: 20)!