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/services/RestService.ts b/src/services/RestService.ts
index 708d91b..bea559a 100644
--- a/src/services/RestService.ts
+++ b/src/services/RestService.ts
@@ -20,6 +20,7 @@
  * @file Provider for REST Service
  */
 
+import { isNullOrUndefined } from 'util';
 import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
@@ -28,7 +29,6 @@
 import { APIURLHEADER, ERRORDATA } from 'CommonModel';
 import * as HttpStatus from 'http-status-codes';
 import { Observable } from 'rxjs';
-import { isNullOrUndefined } from 'util';
 
 /**
  * An Injectable is a class adorned with the @Injectable decorator function.
@@ -133,7 +133,6 @@
      * @param error The error response reecieved from API call.
      * @param method The http request method.
      */
-    // tslint:disable-next-line: cyclomatic-complexity
     public handleError(err: ERRORDATA, method?: string): void {
         if (err.error.status === HttpStatus.UNAUTHORIZED) {
             if (method !== 'get') {