[cascading] from release/10.3.0-rc to main (#1791)

<!--
{"currentBranch":"release/10.3.0-rc","targetBranch":"main","bypassReviewers":false,"isConflicting":false}
-->

## Cascading from release/10.3.0-rc to main

---

:heavy_exclamation_mark: The pull request is conflicting with the target
branch.
You can fix the issue locally with the following commands:

<details open>
  <summary>Using <b>gh CLI</b></summary>

  ```shell
  gh pr checkout 1791
  git pull --ff origin main
  ```

  and update this Pull Request with

  ```shell
  gh pr push 1791
  ```
</details>

<details>
  <summary>Using <b>git</b> only</summary>

  ```shell
  git fetch origin
  git checkout origin/cascading/10.3.0-rc-main
  git pull --ff origin main
  ```

  and update this Pull Request with

  ```shell
  git push origin HEAD:cascading/10.3.0-rc-main
  ```
</details>

---

<small>This Pull Request has been generated with :heart: by the
[Otter](https://github.com/AmadeusITGroup/otter) cascading tool.</small>

packages/@ama-sdk/schematics/schematics/typescript/core/index.ts

@@ -236,10 +236,13 @@ function ngGenerateTypescriptSDKFn(options: NgGenerateTypescriptSDKCoreSchematic
       const openApiToolsPath = path.posix.join(targetPath, 'openapitools.json');
       if (tree.exists(openApiToolsPath)) {
         const openApiTools = tree.readJson(openApiToolsPath) as JsonObject & OpenApiToolsConfiguration;
-        Object.keys(openApiTools['generator-cli']?.generators)
-          .filter((key) => !openApiTools['generator-cli'].generators[key].inputSpec)
-          .forEach((key) => openApiTools['generator-cli'].generators[key].inputSpec = `./${defaultFileName}`);
-        tree.overwrite(openApiToolsPath, JSON.stringify(openApiTools, null, 2));
+        const generators = openApiTools['generator-cli']?.generators;
+        if (generators) {
+          Object.keys(generators)
+            .filter((key) => !openApiTools['generator-cli'].generators[key].inputSpec)
+            .forEach((key) => openApiTools['generator-cli'].generators[key].inputSpec = `./${defaultFileName}`);
+          tree.overwrite(openApiToolsPath, JSON.stringify(openApiTools, null, 2));
+        }
       }
       return tree;
     };