Set the background color always regardless of whether an image is added or not

Author: hichamboushaba

WordPressAuthenticator/Signin/LoginPrologueViewController.swift

@@ -66,12 +66,10 @@ class LoginPrologueViewController: LoginViewController {
             topContainerView.pinSubviewToAllEdges(topContainerChildViewController.view)
         }
 
+        setupViewBackground()
         createButtonViewController()
 
         defaultButtonViewMargin = buttonViewLeadingConstraint?.constant ?? 0
-        if let backgroundImage = WordPressAuthenticator.shared.unifiedStyle?.prologueBackgroundImage {
-            view.layer.contents = backgroundImage.cgImage
-        }
     }
 
     override func styleBackground() {
@@ -386,22 +384,23 @@ class LoginPrologueViewController: LoginViewController {
         }
     }
 
+    private func setupViewBackground() {
+        if let prologueViewBackgroundColor = WordPressAuthenticator.shared.unifiedStyle?.prologueViewBackgroundColor {
+            view.backgroundColor = prologueViewBackgroundColor
+        }
+
+        if let backgroundImage = WordPressAuthenticator.shared.unifiedStyle?.prologueBackgroundImage {
+            view.layer.contents = backgroundImage.cgImage
+        }
+    }
+
     private func setButtonViewControllerBackground() {
         // Fallback to setting the button background color to clear so the blur effect blurs the Prologue background color.
         let buttonsBackgroundColor = WordPressAuthenticator.shared.unifiedStyle?.prologueButtonsBackgroundColor ?? .clear
         buttonViewController?.backgroundColor = buttonsBackgroundColor
         buttonBackgroundView?.backgroundColor = buttonsBackgroundColor
         stackedButtonsViewController?.backgroundColor = buttonsBackgroundColor
 
-        /// If host apps provide a background color for the prologue buttons:
-        /// 1. Hide the blur effect
-        /// 2. Set the background color of the view controller to prologueViewBackgroundColor
-        let prologueViewBackgroundColor = WordPressAuthenticator.shared.unifiedStyle?.prologueViewBackgroundColor ?? .clear
-
-        // do not set background color if we've set a background image earlier
-        if WordPressAuthenticator.shared.unifiedStyle?.prologueBackgroundImage == nil {
-            view.backgroundColor = prologueViewBackgroundColor
-        }
         // if a blur effect for the buttons was passed, use it; otherwise hide the view.
         guard let blurEffect = WordPressAuthenticator.shared.unifiedStyle?.prologueButtonsBlurEffect else {
             buttonBlurEffectView.isHidden = true