updated to use generic

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS/Components/DatePicker/DatePicker.swift

@@ -223,7 +223,7 @@ extension DatePicker {
 
         //find scrollView
         if scrollView == nil {
-            scrollView = findScrollView(from: containerView)
+            scrollView = containerView.findSuperview(ofType: UIScrollView.self)
             scrollViewContentSize = scrollView?.contentSize
         }
         
@@ -348,17 +348,6 @@ extension DatePicker {
         }
     }
     
-    private func findScrollView(from view: UIView) -> UIScrollView? {
-        var currentView = view
-        while let superview = currentView.superview {
-            if let scrollView = superview as? UIScrollView {
-                return scrollView
-            }
-            currentView = superview
-        }
-        return nil
-    }
-    
     private func calculatePopoverPosition(relativeTo sourceView: UIView, in parentView: UIView, size: CGSize, with spacing: CGFloat) -> CGPoint? {
         let sourceFrameInParent = sourceView.convert(sourceView.bounds, to: parentView)
         let parentBounds = parentView.bounds
@@ -442,3 +431,16 @@ extension DatePicker {
         }
     }
 }
+
+extension UIView {
+    public func findSuperview<T: UIView>(ofType type: T.Type) -> T? {
+        var currentView: UIView? = self
+        while let view = currentView {
+            if let superview = view.superview as? T {
+                return superview
+            }
+            currentView = view.superview
+        }
+        return nil
+    }
+}