fix(nx-plugin): ensure project has eslint available before adding lin…

…t checks for migrations.json(#13327)

Fixes #13326

(cherry picked from commit 90f2791)

packages/nx-plugin/src/generators/lint-checks/generator.ts

@@ -73,6 +73,10 @@ export function addMigrationJsonChecks(
     options.projectName
   );
 
+  if (!projectIsEsLintEnabled(projectConfiguration)) {
+    return;
+  }
+
   const [eslintTarget, eslintTargetConfiguration] =
     getEsLintOptions(projectConfiguration);