refactor: refactor all NodeType and NodesSources class-name resolution and improve nodetypes:validate-files (#262)

Author: roadiz-ci

composer.json

@@ -22,7 +22,7 @@
         "doctrine/orm": "~2.20.0",
         "api-platform/doctrine-orm": "^4.1.18",
         "api-platform/metadata": "^4.1.18",
-        "roadiz/nodetype-contracts": "^3.0.0",
+        "roadiz/nodetype-contracts": "^3.1.1",
         "symfony/string": "7.3.*",
         "symfony/translation-contracts": "^3.0",
         "symfony/http-foundation": "7.3.*",