widthPixels of "tns-core-modules/platform" is incorrect inside the orientationChanged event

[VladimirAmiorkov]

Did you verify this is a real problem by searching the NativeScript Forum and the other open issues in this repo?

Yes

Tell us about the problem

Using the screen.mainScreen.widthPixels from "tns-core-modules/platform" inside the application orientationChanged
event returns the previous orientation's size.

Which platform(s) does your issue occur on?

Tested on Android

Please provide the following version numbers that your issue occurs with:

• CLI: (run tns --version to fetch it)
• Cross-platform modules: 4.2.0
• Runtime(s): 4.2.0
• Plugin(s): (look for the version number in the package.json file of your
  project)

"dependencies": {
    "@angular/common": "~6.1.0",
    "@angular/compiler": "~6.1.0",
    "@angular/core": "~6.1.0",
    "@angular/forms": "~6.1.0",
    "@angular/http": "~6.1.0",
    "@angular/platform-browser": "~6.1.0",
    "@angular/platform-browser-dynamic": "~6.1.0",
    "@angular/router": "~6.1.0",
    "@ngrx/store": "4.1.1",
    "nativescript-angular": "^6.0.0",
    "nativescript-camera": "4.0.2",
    "nativescript-floatingactionbutton": "4.1.3",
    "nativescript-fresco": "4.0.0",
    "nativescript-google-analytics": "0.4.4",
    "nativescript-image-swipe": "3.0.0",
    "nativescript-imagepicker": "6.0.3",
    "nativescript-iqkeyboardmanager": "1.1.0",
    "nativescript-orientation": "^2.2.0",
    "nativescript-toasty": "^1.1.5",
    "nativescript-ui-listview": "^3.5.11",
    "nativescript-ui-sidedrawer": "^4.3.0",
    "reflect-metadata": "0.1.10",
    "rxjs": "~6.1.0",
    "rxjs-compat": "^6.2.2",
    "tns-core-modules": "^4.2.0",
    "zone.js": "^0.8.26"
  },
  "devDependencies": {
    "@angular/compiler-cli": "~6.1.0",
    "@ngtools/webpack": "~6.1.0",
    "nativescript-dev-typescript": "~0.7.2",
    "nativescript-dev-webpack": "^0.15.1",
    "tns-platform-declarations": "4.2.0",
    "typescript": "~2.8.2"
  },

Please tell us how to recreate the issue in as much detail as possible.

Attach to the application's orientationChangedEvent and try to retrieve the screen's width in Pixels
import * as applicationModule from 'tns-core-modules/application';

import { screen } from "tns-core-modules/platform";
...
const screeWidth = screen.mainScreen.widthPixels

Is there code involved? If so, please share the minimal amount of code needed to recreate the problem.

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