Merge branch 'feature/3.0-TopNav-Style' into 'feature/develop_mvp_3'

Feature/3.0 top nav style

See merge request BPHV_MIPS/mvm_core_ui!833

MVMCoreUI/Utility/MVMCoreUIUtility+Extension.swift

@@ -56,4 +56,13 @@ public extension MVMCoreUIUtility {
         
         return findViews(by: type, views: queue) + matching
     }
+    
+    static func visibleNavigationBarStlye() -> NavigationItemStyle? {
+        if let vc = MVMCoreUIUtility.getCurrentVisibleController(),
+           let navController = NavigationController.navigationController(),
+           let navigationBar = navController.getNavigationModel(from: vc) as? NavigationItemModel {
+            return navigationBar.style
+        }
+        return nil
+    }
 }