[eacsl] Update code with calls to Constructor module

src/plugins/e-acsl/src/code_generator/at_with_lscope.ml

src/plugins/e-acsl/src/code_generator/env.ml

src/plugins/e-acsl/src/code_generator/global_observer.ml

src/plugins/e-acsl/src/code_generator/gmp.ml

src/plugins/e-acsl/src/code_generator/logic_functions.ml

src/plugins/e-acsl/src/code_generator/loops.ml

src/plugins/e-acsl/src/code_generator/quantif.ml

src/plugins/e-acsl/src/code_generator/rational.ml

src/plugins/e-acsl/src/code_generator/temporal.ml

src/plugins/e-acsl/src/code_generator/translate.ml