UX: Wait for render before invoking A11YDialog (#24100)

Previously, focus wasn't being applied correctly on dialogs using named
components. This was because the A11YDialog was being invoked before
the component was completely rendered.

The long-term plan is to move away from A11YDialog doing the rendering
here, but for now this should do.

app/assets/javascripts/admin/addon/controllers/admin-web-hooks-index.js

@@ -16,7 +16,7 @@ export default class AdminWebHooksIndexController extends Controller {
   @alias("adminWebHooks.model") model;
 
   @action
-  destroy(webhook) {
+  destroyWebhook(webhook) {
     return this.dialog.deleteConfirm({
       message: I18n.t("admin.web_hooks.delete_confirm"),
       didConfirm: async () => {

app/assets/javascripts/admin/addon/controllers/admin-web-hooks-show.js

@@ -15,7 +15,7 @@ export default class AdminWebHooksShowController extends Controller {
   }
 
   @action
-  destroy() {
+  destroyWebhook() {
     return this.dialog.deleteConfirm({
       message: I18n.t("admin.web_hooks.delete_confirm"),
       didConfirm: async () => {

app/assets/javascripts/admin/addon/templates/web-hooks-index.hbs

@@ -51,7 +51,7 @@
                 </LinkTo>
 
                 <DButton
-                  @action={{fn this.destroy webhook}}
+                  @action={{fn this.destroyWebhook webhook}}
                   @icon="times"
                   @title="delete"
                   class="destroy btn-danger"

app/assets/javascripts/admin/addon/templates/web-hooks-show.hbs

@@ -15,7 +15,7 @@
     />
 
     <DButton
-      @action={{this.destroy}}
+      @action={{this.destroyWebhook}}
       @icon="times"
       @title="delete"
       class="destroy btn-danger admin-webhooks__delete-button"