Merged in task/dspace-cris-2023_02_x/DSC-2752 (pull request DSpace#4267)

[DSC-2752] fix a2a not showing

Approved-by: Francesco Molinaro

Author: Andrea Barbasso

src/app/social/social.component.html

@@ -1,4 +1,4 @@
-<div id="a2a" [class.d-none]="!(showOnCurrentRoute$ | async)" data-a2a-scroll-show="0,60"
+<div id="dspace-a2a" [class.d-none]="!(showOnCurrentRoute$ | async)" data-a2a-scroll-show="0,60"
      class="a2a_kit a2a_kit_size_32 a2a_floating_style a2a_default_style" [attr.data-a2a-title]="title" [attr.data-a2a-url]="url">
   <a *ngFor="let button of buttonList" [class]="'a2a_button_' + button" [class.a2a_counter]="showCounters && button !== 'facebook'"></a>
   <a *ngIf="showPlusButton" class="a2a_dd" href="https://www.addtoany.com/share"></a>

src/app/social/social.component.scss

@@ -1,5 +1,5 @@
 ::ng-deep {
-  div#a2a {
+  div#dspace-a2a {
     bottom: 0;
     right: 0;
     z-index: 998;