[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

lib/core/login/components/login.component.spec.ts

@@ -43,7 +43,8 @@ describe('LoginComponent', () => {
     let appConfigService: AppConfigService;
     let alfrescoApiService: AlfrescoApiService;
 
-    let usernameInput, passwordInput;
+    let usernameInput;
+    let passwordInput;
 
     const getLoginErrorElement = () => {
         return element.querySelector('#login-error');