Change alt-click to second click

src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.html

@@ -39,11 +39,7 @@
         </svg>
       </button>
       <div *ngIf="!editing" class="list-group-item list-group-item-note pt-1 pb-2">
-        <small i18n>Use
-          <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" fill="currentColor" class="bi bi-option" viewBox="0 0 16 16">
-            <use xlink:href="assets/bootstrap-icons.svg#option" />
-          </svg>
-           + click / return to exclude items.</small>
+        <small i18n>Click again to exclude items.</small>
       </div>
     </div>
   </div>

src-ui/src/app/components/common/filterable-dropdown/toggleable-dropdown-button/toggleable-dropdown-button.component.ts

@@ -35,7 +35,7 @@ export class ToggleableDropdownButtonComponent {
   }
 
   toggleItem(event: MouseEvent): void {
-    if (event.altKey) {
+    if (this.state == ToggleableItemState.Selected) {
       this.exclude.emit()
     } else {
       this.toggle.emit()