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/vim-accounts/info-vim/InfoVimComponent.html b/src/app/vim-accounts/info-vim/InfoVimComponent.html
index 80ea8bf..504fdfe 100644
--- a/src/app/vim-accounts/info-vim/InfoVimComponent.html
+++ b/src/app/vim-accounts/info-vim/InfoVimComponent.html
@@ -15,11 +15,11 @@
 
 Author: KUMARAN M (kumaran.m@tataelxsi.co.in), RAJESH S (rajesh.s@tataelxsi.co.in), BARATH KUMAR R (barath.r@tataelxsi.co.in)
 -->
-<div class="row d-flex flex-row justify-content-between">
+<div class="d-flex flex-row justify-content-between">
   <div class="col-sm-4">
       <div class="d-flex align-items-center header-style">{{'PAGE.VIMDETAILS.VIMACCOUNTDETAILS' | translate}}</div>
   </div>
-  <div class="col-sm-8 text-right">
+  <div class="col-sm-8 text-end">
       <span class="button">
           <button class="btn btn-primary" type="button" placement="top" container="body"
               ngbTooltip="{{'PAGE.VIMDETAILS.NEWVIM' | translate}}" routerLink="/vim/new">
@@ -37,7 +37,7 @@
     </div>
   </div>
 </div>
-<div class="col-12">
+<div class="d-grid col-sm-12">
   <button type="button" class="btn btn-block border-0 bg-light text-dark" (click)="isCollapsed = !isCollapsed"
     [attr.aria-expanded]="!isCollapsed">
     {{'PAGE.VIMDETAILS.CONFIGPARAMETERS' | translate}}
@@ -51,7 +51,7 @@
     </div>
   </div>
 </div>
-<div class="modal-footer list border-0">
+<div class="modal-footer list border-0 mt-3">
   <button (click)="onVimAccountBack()"
     class="btn btn-danger pull-right">{{'PAGE.VIMDETAILS.BACKTOVIMACCOUNTS' | translate}}</button>
 </div>
diff --git a/src/app/vim-accounts/info-vim/InfoVimComponent.scss b/src/app/vim-accounts/info-vim/InfoVimComponent.scss
index 8c2b739..4efa471 100644
--- a/src/app/vim-accounts/info-vim/InfoVimComponent.scss
+++ b/src/app/vim-accounts/info-vim/InfoVimComponent.scss
@@ -15,3 +15,13 @@
 
  Author: KUMARAN M (kumaran.m@tataelxsi.co.in), RAJESH S (rajesh.s@tataelxsi.co.in), BARATH KUMAR R (barath.r@tataelxsi.co.in)
 */
+@import "../../../assets/scss/variable.scss";
+.text-dark {
+   color: $gray-800 !important;
+}
+.font-weight-bold {
+   font-weight: 700 !important;
+}
+button.bg-light:hover, button.bg-light:focus {
+   background-color: $paleblue !important;
+}
\ No newline at end of file
diff --git a/src/app/vim-accounts/info-vim/InfoVimComponent.ts b/src/app/vim-accounts/info-vim/InfoVimComponent.ts
index 02aea69..42a3209 100644
--- a/src/app/vim-accounts/info-vim/InfoVimComponent.ts
+++ b/src/app/vim-accounts/info-vim/InfoVimComponent.ts
@@ -18,7 +18,6 @@
 /**
  * @file Info VIM Page
  */
-import { isNullOrUndefined } from 'util';
 import { Component, Injector, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
@@ -29,6 +28,7 @@
 import { environment } from 'environment';
 import * as HttpStatus from 'http-status-codes';
 import { RestService } from 'RestService';
+import { isNullOrUndefined } from 'SharedService';
 import { CONFIG, VimAccountDetails, VIMData } from 'VimAccountModel';
 
 /**