Angular 9 support

[bhattshru]

I was updating my project from v8 to v9. The build fails with a warning.

Warning: Entry point 'angular2-tinymce' contains deep imports into '/Users/Documents/GitHub/angular 9/node_modules/tinymce/tinymce.min', '/Users/Documents/GitHub/angular 9/node_modules/tinymce/plugins/link/plugin.js',

Version : "@tinymce/tinymce-angular": "^3.5.0" "angular2-tinymce": "^3.3.0" Angular module versions: "@angular-devkit/build-angular": "~0.901.1", "@angular/animations": "9.1.1", "@angular/cdk": "^9.2.0", "@angular/cli": "^9.1.1", "@angular/common": "9.1.1", "@angular/compiler": "9.1.1", "@angular/compiler-cli": "9.1.1", "@angular/core": "9.1.1",