Fix Bug 2121: NG-UI uses unmaintained Chokidar version

	- Upgraded Angular from 11 to 14 version to remove chokidar
	  unmaintained version.
	- Changed linting tool tslint to eslint for angular 14 as tslint
	  is depreacted after angular 12
	- Resolved linting issues from code

Change-Id: I00e908ab651db0f080e0d18a9d1c9711f4e36b91
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/app/AppComponent.ts b/src/app/AppComponent.ts
index 04ad8d8..4567671 100644
--- a/src/app/AppComponent.ts
+++ b/src/app/AppComponent.ts
@@ -19,13 +19,13 @@
 /**
  * @file App Components
  */
+import { isNullOrUndefined } from 'util';
 import { Component, HostListener, Injector } from '@angular/core';
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
 import { DEFAULT_INTERRUPTSOURCES, Idle } from '@ng-idle/core';
 import { AuthenticationService } from 'AuthenticationService';
 import { DeviceCheckService } from 'DeviceCheckService';
 import { SharedService } from 'SharedService';
-import { isNullOrUndefined } from 'util';
 
 /**
  * Creating component