Corrected proto generation in multiple Dockerfiles

src/analytics/backend/Dockerfile

src/dlt/connector/Dockerfile

src/dlt/mock_blockchain/Dockerfile

src/tests/ecoc22/Dockerfile

src/tests/eucnc24/Dockerfile

src/tests/ofc22/Dockerfile

src/tests/ofc24/Dockerfile

src/tests/ofc25-camara-agg-net-controller/Dockerfile

src/tests/ofc25-camara-e2e-controller/Dockerfile

src/tests/ofc25/Dockerfile

src/tests/tools/mock_tfs_nbi_dependencies/Dockerfile