fix: save below and above constraints correctly

Author: mikhailChelbaev

Sources/AutoLayout/UIView+Layout.swift

@@ -261,7 +261,7 @@ extension UIView {
     )
     constraint.isActive = true
 
-    return LayoutConstraints(bottom: constraint)
+    return LayoutConstraints(top: constraint)
   }
 
   /// Constrains the view's bottom anchor to the top anchor of another view, positioning it above the specified view vertically.
@@ -284,7 +284,7 @@ extension UIView {
     )
     constraint.isActive = true
 
-    return LayoutConstraints(top: constraint)
+    return LayoutConstraints(bottom: constraint)
   }
 }