DEV: Avoid using the old action helper (#26935)

plugins/automation/admin/assets/javascripts/admin/controllers/admin-plugins-discourse-automation-new.js

@@ -15,16 +15,16 @@ export default class AutomationNew extends Controller {
   }
 
   @action
-  saveAutomation(automation) {
+  saveAutomation() {
     this.set("error", null);
 
-    automation
+    this.model.automation
       .save(this.form.getProperties("name", "script"))
       .then(() => {
         this._resetForm();
         this.router.transitionTo(
           "adminPlugins.discourse-automation.edit",
-          automation.id
+          this.model.automation.id
         );
       })
       .catch((e) => {

plugins/automation/admin/assets/javascripts/admin/templates/admin-plugins-discourse-automation-new.hbs

@@ -27,7 +27,7 @@
         <DropdownSelectBox
           @value={{form.script}}
           @content={{model.scriptables.content}}
-          @onChange={{action (mut form.script)}}
+          @onChange={{fn (mut form.script)}}
           @options={{hash
             showCaret=true
             filterable=true
@@ -39,12 +39,11 @@
     </div>
 
     <div class="control-group">
-
       <div class="controls">
         <DButton
           @icon="plus"
           @label="discourse_automation.create"
-          @action={{action "saveAutomation" model.automation}}
+          @action={{this.saveAutomation}}
           class="btn-primary create-automation"
         />
       </div>