Fix ExtensionsModule.forChild regression (#9844)

lib/extensions/.eslintrc.json

@@ -5,6 +5,10 @@
     {
       "files": ["*.ts"],
       "extends": ["plugin:@nrwl/nx/angular"],
+      "parserOptions": {
+        "project": ["lib/extensions/tsconfig.lib.json", "lib/extensions/tsconfig.spec.json"],
+        "createDefaultProgram": true
+      },
       "rules": {
         "no-underscore-dangle": ["error", { "allowAfterThis": true }],
 

lib/extensions/src/lib/extensions.module.ts

@@ -44,4 +44,14 @@ export class ExtensionsModule {
             ]
         };
     }
+
+    /**
+     * @deprecated use `ExtensionsModule` instead, `EXTENSION_DIRECTIVES` or direct standalone components
+     * @returns Module with providers
+     */
+    static forChild(): ModuleWithProviders<ExtensionsModule> {
+        return {
+            ngModule: ExtensionsModule
+        };
+    }
 }