Add dropdown component, photo actions menu

app/components/dropdown-menu.gjs

@@ -0,0 +1,53 @@
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+import { action } from '@ember/object';
+import { on } from '@ember/modifier';
+import Icon from '#components/icon';
+
+export default class DropdownMenu extends Component {
+  @tracked isOpen = false;
+
+  @action
+  toggleMenu(e) {
+    e?.stopPropagation();
+    this.isOpen = !this.isOpen;
+  }
+
+  @action
+  closeMenu(e) {
+    e?.stopPropagation();
+    this.isOpen = false;
+  }
+
+  get triggerIcon() {
+    return this.args.triggerIcon || 'more-vertical';
+  }
+
+  <template>
+    <div class="dropdown-menu-container">
+      <button
+        class="dropdown-trigger-btn btn-press"
+        type="button"
+        title={{@triggerTitle}}
+        {{on "click" this.toggleMenu}}
+      >
+        <Icon
+          @name={{this.triggerIcon}}
+          @size={{@iconSize}}
+          @color={{@iconColor}}
+        />
+      </button>
+
+      {{#if this.isOpen}}
+        <div class="dropdown-popover {{@popoverClass}}">
+          {{yield this.closeMenu}}
+        </div>
+        <div
+          class="menu-backdrop"
+          {{on "click" this.closeMenu}}
+          role="button"
+        ></div>
+      {{/if}}
+    </div>
+  </template>
+}