Enable SwiftLint rule 'let_var_whitespace' and fix all violations

.swiftlint.yml

@@ -89,7 +89,7 @@ whitelist_rules:
   - legacy_multiple
   - legacy_nsgeometry_functions
   - legacy_random
-#  - let_var_whitespace
+  - let_var_whitespace
 #  - line_length
   - literal_expression_end_indentation
 #  - lower_acl_than_parent

pass/AppDelegate.swift

@@ -14,11 +14,12 @@ import UIKit
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
-    var window: UIWindow?
     enum ViewTag: Int {
         case blur = 100, appicon
     }
 
+    var window: UIWindow?
+
     lazy var passcodeLockPresenter: PasscodeLockPresenter = {
         let presenter = PasscodeLockPresenter(mainWindow: self.window)
         return presenter

passAutoFillExtension/Controllers/PasscodeExtensionDisplay.swift

@@ -13,6 +13,7 @@ import passKit
 // cancel means cancel the extension
 class PasscodeLockViewControllerForExtension: PasscodeLockViewController {
     var originalExtensionContest: ASCredentialProviderExtensionContext?
+    
     public convenience init(extensionContext: ASCredentialProviderExtensionContext?) {
         self.init()
         self.originalExtensionContest = extensionContext

passExtension/Controllers/PasscodeExtensionDisplay.swift

@@ -12,6 +12,7 @@ import passKit
 // cancel means cancel the extension
 class PasscodeLockViewControllerForExtension: PasscodeLockViewController {
     var originalExtensionContest: NSExtensionContext?
+    
     public convenience init(extensionContext: NSExtensionContext?) {
         self.init()
         self.originalExtensionContest = extensionContext