chore: 🤖 migrate away from component helper for host set form

ui/admin/app/components/form/host-set/index.hbs

@@ -3,10 +3,9 @@
   SPDX-License-Identifier: BUSL-1.1
 }}
 
-{{component
-  (concat 'form/host-set/' @model.compositeType)
-  model=@model
-  edit=@edit
-  submit=@submit
-  cancel=@cancel
-}}
+<this.hostSetForm
+  @model={{@model}}
+  @edit={{@edit}}
+  @submit={{@submit}}
+  @cancel={{@cancel}}
+/>

ui/admin/app/components/form/host-set/index.js

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: BUSL-1.1
+ */
+
+import Component from '@glimmer/component';
+import { assert } from '@ember/debug';
+import awsFormComponent from './aws';
+import azureFormComponent from './azure';
+import gcpFormComponent from './gcp';
+import staticFormComponent from './static';
+
+const modelCompositeTypeToComponent = {
+  aws: awsFormComponent,
+  azure: azureFormComponent,
+  gcp: gcpFormComponent,
+  static: staticFormComponent,
+};
+
+export default class FormHostSetIndex extends Component {
+  /**
+   * returns the associated host set form component for the model's composite type
+   */
+  get hostSetForm() {
+    const component =
+      modelCompositeTypeToComponent[this.args.model.compositeType];
+    assert(
+      `Mapped component must exist for host set composite type: ${this.args.model.compositeType}`,
+      component,
+    );
+    return component;
+  }
+}