fix (generator): generate ErrorCode class

Author: bou3108

.github/workflows/generate-model.yaml

@@ -186,7 +186,6 @@ jobs:
           rm -r ./src/main/java/com/hubsante/model/resources || true
           rm -r ./src/main/java/com/hubsante/model/rpis || true
           rm -r ./src/main/java/com/hubsante/model/technical || true
-          rm -r ./generator/classes/src/main/java/com/hubsante/model/report/ErrorCode.java || true
           cp -r ./generator/classes/src/main/java/com/hubsante/model/* ./src/main/java/com/hubsante/model/
 
       - name: Grant execute permission for Gradlew