feat: Add 3D rotation to view - takeover of PR# 5950 (#8136)

* feat: add 3d rotation

* chore: fix build errors

* chore: fix tslint errors

* chore: add @types/chai dev dep

* chore: unused import cleanup

* chore: update tests for x,y rotation

* chore: rebase upstream/master

* fix: iOS Affine Transform test verification

* feat(css): Added optional css-tree parser (#8076)

* feat(css): Added optional css-tree parser

* test: css-tree parser compat tests

* test: more css-tree compat tests

* feat(dialogs): Setting the size of popup dialog thru dialog options (#8041)

* Added iOS specific height and width attributes to ShowModalOptions

* Set the height and width of the popup dialog to the presenting controller

* dialog options ios attributes presentationStyle, height & width are made optional

* Updated NativeScript.api.md for public API changes

* Update with git properties

* Public API

* CLA update

* fix: use iOS native-helper for 3d-rotate

* test: Fix tests using _getTransformMismatchError

* fix: view.__hasTransfrom not set updating properly

* test: fix css-animations test page

Co-authored-by: Alexander Vakrilov <alexander.vakrilov@gmail.com>
Co-authored-by: Darin Dimitrov <darin.dimitrov@gmail.com>
Co-authored-by: Shailesh Lolam <slolam@live.com>
Co-authored-by: Dimitar Topuzov <dtopuzov@gmail.com>

nativescript-core/utils/utils.d.ts

@@ -251,6 +251,7 @@ export module ios {
      * Returns the visible UIViewController.
      */
     export function getVisibleViewController(rootViewController: any/* UIViewController*/): any/* UIViewController*/;
+
 }
 
 /**