Show tooltip on region menu exploring templates

src/ui/parcellationRegion/regionMenu/regionMenu.template.html

@@ -190,9 +190,11 @@
             (click)="changeView(i)"
             mat-ripple>
             <mat-icon fontSet="fas" fontIcon="fa-none" mat-list-icon></mat-icon>
-            <div mat-line>
-              <span class="overflow-x-hidden text-truncate"> {{ sameRegion.template.name }} </span>
-              <span *ngIf="sameRegion.hemisphere"> - {{ sameRegion.hemisphere }}</span>
+            <div class="cursorPointer" #exploreTemplateButton mat-line>
+              <span #exploreTemplateName class="overflow-x-hidden text-truncate"
+                    [matTooltip]="exploreTemplateButton.offsetWidth < exploreTemplateName.offsetWidth? sameRegion.template.name + ' ' + sameRegion.hemisphere : null">
+                {{ sameRegion.template.name + ' ' + sameRegion.hemisphere }}
+              </span>
             </div>
           </mat-list-item>
         </div>