feat: backport GraphQL stub to summer23 (#316)

* feat: add uiGraphQLApi module (#310)

* feat: add uiGraphQLApi module

* fix format

* Update src/lightning-stubs/uiGraphQLApi/uiGraphQLApi.js

Co-authored-by: Ravi Jayaramappa <ravi.jayaramappa@salesforce.com>

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Co-authored-by: Ravi Jayaramappa <ravi.jayaramappa@salesforce.com>

* fix: fix initial emit for GraphQL adapters (#315)

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Co-authored-by: Stephen Carraway <57263085+scarrawaySF@users.noreply.github.com>
Co-authored-by: Ravi Jayaramappa <ravi.jayaramappa@salesforce.com>

src/lightning-stubs/uiGraphQLApi/uiGraphQLApi.js

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2023, salesforce.com, inc.
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
+ */
+import { createTestWireAdapter } from '@salesforce/wire-service-jest-util';
+
+export class graphql extends createTestWireAdapter() {
+    static emit(value, filterFn) {
+        super.emit({ data: value, errors: undefined }, filterFn);
+    }
+
+    static emitErrors(errors, filterFn) {
+        super.emit({ data: undefined, errors }, filterFn);
+    }
+
+    constructor(dataCallback) {
+        super(dataCallback);
+
+        graphql.emit(undefined);
+    }
+}
+
+export const gql = jest.fn();
+export const refreshGraphQL = jest.fn();