[ACS-5576] Icon updated as per the figma (#3432)

* icon classes updated as per the figma

* removed the unsed class

* review comments resolved

* removed unnecessary css classes

* updated icon name

* updated the icon class

projects/aca-content/assets/app.extensions.json

@@ -1244,7 +1244,7 @@
           "id": "app.sidebar.expand",
           "order": 200,
           "title": "APP.INFO_DRAWER.TABS.EXPAND",
-          "icon": "chevron_left",
+          "icon": "aspect_ratio",
           "actions": {
             "click": "EXPAND_INFO_DRAWER"
           },

projects/aca-content/src/lib/components/details/details.component.html

@@ -18,7 +18,7 @@
           data-automation-id="close-library"
           title="{{ 'APP.INFO_DRAWER.CLOSE' | translate }}"
           (click)="goBack()">
-          <mat-icon>close</mat-icon>
+          <mat-icon>fullscreen_exit</mat-icon>
         </button>
       </div>