Remove navigationBar bottom border new fix

@@ -79,7 +79,8 @@ extension UIViewController {
         }
 
         // Remove navigationBar bottom border
-        self.navigationController?.navigationBar.hideBottomHairline()
+        // self.navigationController?.navigationBar.hideBottomHairline()
+        self.navigationController?.hideHairline()
 
     }
     
@@ -460,3 +461,29 @@ extension UIView {
         return nil
     }
 }
+
+extension UINavigationController {
+    func hideHairline() {
+        if let hairline = findHairlineImageViewUnder(navigationBar) {
+            hairline.isHidden = true
+        }
+    }
+
+    func restoreHairline() {
+        if let hairline = findHairlineImageViewUnder(navigationBar) {
+            hairline.isHidden = false
+        }
+    }
+
+    func findHairlineImageViewUnder(_ view: UIView) -> UIImageView? {
+        if view is UIImageView && view.bounds.size.height <= 1.0 {
+            return view as? UIImageView
+        }
+        for subview in view.subviews {
+            if let imageView = self.findHairlineImageViewUnder(subview) {
+                return imageView
+            }
+        }
+        return nil
+    }
+}