development: issue-681: Potential fix for NavigationBar background color change issue.

Sources/iOS/NavigationBar.swift

@@ -289,7 +289,7 @@ open class NavigationBar: UINavigationBar {
      when subclassing.
      */
 	open func prepare() {
-        barStyle = .black
+        isTranslucent = false
         depthPreset = .depth1
         interimSpacePreset = .interimSpace3
         contentEdgeInsetsPreset = .square1

Sources/iOS/NavigationController.swift

@@ -122,7 +122,7 @@ open class NavigationController: UINavigationController {
 	open func prepare() {
         navigationBar.heightPreset = .normal
         navigationBar.width = view.width
-//        delegate = self
+        
         view.clipsToBounds = true
 		view.backgroundColor = .white
         view.contentScaleFactor = Screen.scale