FIX: set reminder options on menu render (#35694)

Without this when we set bookmark reminders the time is based on when
the element was first added to the page which may be much prior

frontend/discourse/app/components/bookmark-menu.gjs

@@ -2,7 +2,6 @@ import Component from "@glimmer/component";
 import { tracked } from "@glimmer/tracking";
 import { fn } from "@ember/helper";
 import { action } from "@ember/object";
-import didInsert from "@ember/render-modifiers/modifiers/did-insert";
 import { service } from "@ember/service";
 import DButton from "discourse/components/d-button";
 import DropdownMenu from "discourse/components/dropdown-menu";
@@ -22,6 +21,7 @@ export default class BookmarkMenu extends Component {
   @service toasts;
 
   @tracked quicksaved = false;
+  @tracked reminderAtOptions = [];
 
   bookmarkManager = this.args.bookmarkManager;
   timezone = this.currentUser?.user_option?.timezone || moment.tz.guess();
@@ -143,6 +143,7 @@ export default class BookmarkMenu extends Component {
 
   @action
   onShowMenu() {
+    this.setReminderShortcuts();
     if (!this.existingBookmark) {
       this.onBookmark();
     }
@@ -253,7 +254,6 @@ export default class BookmarkMenu extends Component {
 
   <template>
     <DMenu
-      {{didInsert this.setReminderShortcuts}}
       ...attributes
       @identifier="bookmark-menu"
       class={{this.buttonClasses}}