Support Typescript 5

Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• NativeScript-Angular: 16
• Angular: 16

Describe the bug
Using Angular 16 which uses Typescript 5 and updated TSLib renders custom activities unusable and does not allow the app to start. Refer to this chat

https://discord.com/channels/603595811204366337/606457628729671691/1108803693844901968

System.err: An uncaught Exception occurred on "main" thread.
  System.err: Unable to create application com.tns.NativeScriptApplication: com.tns.NativeScriptException: Error calling module function
  System.err: Error: com.tns.system.classes.loading.LookedUpClassNotFound: Class "com.companymfg.activity" not found.
  System.err: File: (file: src\webpack:\inventory\webpack\bootstrap:27:0)
  System.err:
  System.err: StackTrace:
  System.err: (/data/data/com.companymfg.inventory/files/internal/ts_helpers.js:154:26)
  System.err:   at __esDecorate(file: src\webpack:\inventory\node_modules\tslib\tslib.es6.js:77:0)
  System.err:   at (file:///data/data/com.companymfg.inventory/files/app/bundle.js:741:9)
  System.err:   at (file:///data/data/com.companymfg.inventory/files/app/bundle.js:744:7)
  System.err:   at ./src/activity.android.ts(file:///data/data/com.companymfg.inventory/files/app/bundle.js:746:2)
  System.err:   at __webpack_require__(file: src\webpack:\inventory\webpack\bootstrap:24:0)
  System.err:   at __webpack_exec__(file:///data/data/com.companymfg.inventory/files/app/bundle.js:71277:39)
  System.err:   at (file:///data/data/com.companymfg.inventory/files/app/bundle.js:71278:224)
  System.err:   at __webpack_require__.X(file: src\webpack:\inventory\webpack\runtime\startup entrypoint:6:0)
  System.err:   at (file:///data/data/com.companymfg.inventory/files/app/bundle.js:71278:47)
  System.err:   at (file:///data/data/com.companymfg.inventory/files/app/bundle.js:71283:3)
  System.err:   at require(:1:266)

To Reproduce

Update Typescript to 5, TSLib 2.5, Angular 16. Use custom activity as stated in Nativescript Docs

Expected behavior
App to run normally

Sample project

Additional context

Chạy tns info và kiểm tra package.json của dự án để xác nhận các phiên bản Angular 16, TypeScript 5 và TSLib 2.5. Tái hiện lỗi bằng cách sử dụng một activity tùy chỉnh như được mô tả trong tài liệu NativeScript; hoàn tất khi ứng dụng khởi động bình thường và activity tùy chỉnh có thể được sử dụng mà không gặp lỗi class-not-found đã nêu.