[ANT-4550- 60%] on modeler mandatory fields

[a-zakir]

before
[2026-02-27 14:15:14][solver][error] Modeler inputs error: yaml-cpp: error at line 11, column 7
after

[2026-02-27 14:15:14][solver][error] Modeler inputs error: yaml-cpp: error at line 11, column 7: key not found: spillage-bound field must be specified even if it has not a value.
lib_hybrid_0
└── port-types
    └── flow
        └── area-connection

before
yaml-cpp: error at line 30, column 7

after

Modeler inputs error: yaml-cpp: error at line 30, column 7: key not found: variable id is mandatory in library
lib_hybrid_0
└── models
    └── generator
        └── variables
            └── __without__id__