[1268] Use literal instead of name for Enum label & newValue

Bug: eclipse-sirius#1268
Signed-off-by: Axel RICHARD <axel.richard@obeo.fr>

CHANGELOG.adoc

@@ -19,6 +19,7 @@
 - https://github.com/eclipse-sirius/sirius-components/issues/1253[#1253] [studio] Fix the computation of unsynchronized semantic elements in studios (which broke the use of the Create View operation)
 - https://github.com/eclipse-sirius/sirius-components/issues/1193[#1193] [layout] Fix edge layout on diagrams with node lists.
 - https://github.com/eclipse-sirius/sirius-components/issues/1260[#1260] [workbench] Fix download project fails when model contains a Form Description Editor
+- https://github.com/eclipse-sirius/sirius-components/issues/1268[#1268] [form] Use literal instead of name for Enum label & newValue
 
 === Improvements
 

backend/sirius-components-emf/src/main/java/org/eclipse/sirius/components/emf/compatibility/properties/EEnumIfDescriptionProvider.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2019, 2021 Obeo.
+ * Copyright (c) 2019, 2022 Obeo.
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
@@ -135,7 +135,7 @@ private Function<VariableManager, String> getOptionLabelProvider() {
         return variableManager -> {
             Object litteral = variableManager.getVariables().get(SelectComponent.CANDIDATE_VARIABLE);
             if (litteral instanceof Enumerator) {
-                return ((Enumerator) litteral).getName();
+                return ((Enumerator) litteral).getLiteral();
             }
             return ""; //$NON-NLS-1$
         };
@@ -180,7 +180,7 @@ private BiFunction<VariableManager, String, IStatus> getNewValueHandler() {
                         EEnum eEnum = (EEnum) eType;
                         EEnumLiteral literal = eEnum.getEEnumLiteral(id);
                         if (literal != null) {
-                            Object value = EcoreUtil.createFromString(eEnum, literal.getName());
+                            Object value = EcoreUtil.createFromString(eEnum, literal.getLiteral());
                             eObject.eSet(eAttribute, value);
                         }
                     }