refactor: 💡 migrate away from component helper for auth-method (#3011)

* refactor: 💡 migrate away from component helper for auth-method
component

* Add missing copyright headers

ui/admin/app/components/form/auth-method/index.hbs

@@ -2,16 +2,14 @@
   Copyright (c) HashiCorp, Inc.
   SPDX-License-Identifier: BUSL-1.1
 }}
-
 {{#if @model.type}}
-  {{component
-    (concat 'form/auth-method/' @model.type)
-    model=@model
-    edit=@edit
-    submit=@submit
-    cancel=@cancel
-    removeItemByIndex=@removeItemByIndex
-    addStringItem=@addStringItem
-    addAccountMapItem=@addAccountMapItem
-  }}
+  <this.authMethodFormComponent
+    @model={{@model}}
+    @edit={{@edit}}
+    @submit={{@submit}}
+    @cancel={{@cancel}}
+    @removeItemByIndex={{@removeItemByIndex}}
+    @addStringItem={{@addStringItem}}
+    @addAccountMapItem={{@addAccountMapItem}}
+  />
 {{/if}}

ui/admin/app/components/form/auth-method/index.js

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: BUSL-1.1
+ */
+
+import Component from '@glimmer/component';
+import { assert } from '@ember/debug';
+import oidc from './oidc';
+import ldap from './ldap';
+import password from './password';
+
+const modelTypeToComponent = {
+  ldap,
+  password,
+  oidc,
+};
+
+export default class FormAuthMethodIndex extends Component {
+  get authMethodFormComponent() {
+    const component = modelTypeToComponent[this.args.model.type];
+    assert(
+      `Mapped component must exist for auth method: ${this.args.model.type}`,
+      component,
+    );
+    return component;
+  }
+}