Merge branch 'bugfix/scrolling_indicator_fix' into 'develop'

scroll view indicator fix for defect: CXTDT-82115

See merge request BPHV_MIPS/mvm_core_ui!609

MVMCoreUI/BaseControllers/ScrollingViewController.swift

@@ -63,6 +63,16 @@ open class ScrollingViewController: ViewController {
         registerForKeyboardNotifications()
     }
     
+    open override func handleNewData() {
+        super.handleNewData()
+        // will change scrollView indicatorStyle automatically on the basis of backgroundColor
+        var greyScale: CGFloat = 0
+        if view.backgroundColor?.getWhite(&greyScale, alpha: nil) ?? false {
+            scrollView.indicatorStyle = greyScale > 0.5 ? .black : .white
+        }
+        scrollView.flashScrollIndicators()
+    }
+    
     //--------------------------------------------------
     // MARK: - Keyboard Handling
     //--------------------------------------------------