fix: make Docusaurus PnP strict mode compatible (#6047)

Co-authored-by: Kristoffer K. <merceyz@users.noreply.github.com>

packages/docusaurus-utils/src/__tests__/webpackUtils.test.ts

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {getFileLoaderUtils} from '../webpackUtils';
+
+describe('getFileLoaderUtils()', () => {
+  test('plugin svgo/removeViewBox should be disabled', () => {
+    const {oneOf} = getFileLoaderUtils().rules.svg();
+    expect(oneOf[0].use).toContainEqual(
+      expect.objectContaining({
+        loader: require.resolve('@svgr/webpack'),
+        options: expect.objectContaining({
+          svgoConfig: {
+            plugins: [
+              {
+                name: 'preset-default',
+                params: {
+                  overrides: {
+                    removeViewBox: false,
+                  },
+                },
+              },
+            ],
+          },
+        }),
+      }),
+    );
+  });
+});