Angular upgrade

	- Upgraded Angular from 14 to 15 version.

Change-Id: I2339a04020153cbc9ed7a14bfe8e0aa265e507da
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/app/projects/project-create-update/ProjectCreateUpdateComponent.ts b/src/app/projects/project-create-update/ProjectCreateUpdateComponent.ts
index af6388d..2d45ef6 100644
--- a/src/app/projects/project-create-update/ProjectCreateUpdateComponent.ts
+++ b/src/app/projects/project-create-update/ProjectCreateUpdateComponent.ts
@@ -18,7 +18,6 @@
 /**
  * @file Project Add Modal
  */
-import { isNullOrUndefined } from 'util';
 import { Component, Injector, Input, OnInit } from '@angular/core';
 import { AbstractControl, FormBuilder, FormControl, FormGroup, Validators } from '@angular/forms';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
@@ -30,7 +29,7 @@
 import { ProjectData, ProjectDetails, QUOTAITEM, QUOTA_ITEMS } from 'ProjectModel';
 import { ProjectService } from 'ProjectService';
 import { RestService } from 'RestService';
-import { SharedService } from 'SharedService';
+import { SharedService, isNullOrUndefined } from 'SharedService';
 
 /**
  * Creating component