[AAE-7100] ESLint support for ADF Core and DemoShell projects (#7481)

* remove tsconfig.base as per eslint schematics

* add schematics

* upgrade demoshell to eslint

* fix eslint issues for demoshell

* integrate eslint for ADF core and fix some issues

* turn into warn

* fix code

* workaround for Chrome clipboard issue

* exclude e2e tests

* exclude e2e

demo-shell/src/app/components/process-service/custom-editor/custom-editor.component.ts

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-/* tslint:disable */
+/* eslint-disable */
 
 import { Component, NgModule } from '@angular/core';
 import { WidgetComponent } from '@alfresco/adf-core';

demo-shell/src/app/components/process-service/process-service.component.ts

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-// tslint:disable-next-line:adf-file-name
+// eslint-disable-next-line
 import {
     AfterViewInit,
     Component,