OO-3112: Show the level name if a level is not translated

src/main/java/org/olat/modules/qpool/ui/admin/QEducationalContextsAdminController.java

@@ -292,8 +292,8 @@ public class QEducationalContextsAdminController extends FormBasicController {
 				case levelI18n: {
 					String i18nKey = "item.level." + level.getLevel().toLowerCase();
 					String translation = getTranslator().translate(i18nKey);
-					if(translation.length() > 256) {
-						return getTranslator().translate("translation.missing");
+					if(i18nKey.equals(translation) || translation.length() > 256) {
+						return level.getLevel();
 					}
 					return translation;
 				}

src/main/java/org/olat/modules/qpool/ui/admin/_i18n/LocalStrings_de.properties

@@ -78,7 +78,6 @@ taxonomy.selectable=Ausw\u00E4lbare Fachbereiche
 taxonomyLevel.deleted=Fachbereich wurde erfolgreich gel\u00F6scht
 taxonomyLevel.notdeleted=Fachbereich konnte nicht gel\u00F6scht werden, eventuell wird er bereits verwendet.
 translation=\u00dcbersetzung
-translation.missing=Keine \u00dcbersetzung
 type.key=ID
 type.translation=\u00DCbersetzung
 type.type=Typ

src/main/java/org/olat/modules/qpool/ui/admin/_i18n/LocalStrings_en.properties

@@ -77,7 +77,6 @@ taxonomy.selectable=Selectable subjects
 taxonomyLevel.deleted=Subject has been successfully deleted.
 taxonomyLevel.notdeleted=The subject cannot be deleted, it is probably in use.
 translation=Translation
-translation.missing=Translation missing
 type.key=ID
 type.translation=Translation
 type.type=Type

src/main/java/org/olat/modules/qpool/ui/metadata/MetaUIFactory.java

@@ -78,8 +78,9 @@ public class MetaUIFactory {
 		int count = 0;
 		for(QEducationalContext level:levels) {
 			contextKeys[count] = level.getLevel();
-			String translation = translator.translate("item.level." + level.getLevel().toLowerCase());
-			if(translation.length() > 128) {
+			String i18nKey = "item.level." + level.getLevel().toLowerCase();
+			String translation = translator.translate(i18nKey);
+			if(i18nKey.equals(translation) || translation.length() > 256) {
 				translation = level.getLevel();
 			}
 			contextValues[count++] = translation;