MissionCommandUIInfo: Do not use deprecated QString enum with Qt 5.15.0

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

src/MissionManager/MissionCommandUIInfo.cc

@@ -384,10 +384,14 @@ bool MissionCommandUIInfo::loadJsonInfo(const QJsonObject& jsonObject, bool requ
 
             paramInfo->_label =         paramObject.value(_labelJsonKey).toString();
             paramInfo->_decimalPlaces = paramObject.value(_decimalPlacesJsonKey).toInt(FactMetaData::kUnknownDecimalPlaces);
-            paramInfo->_enumStrings =   paramObject.value(_enumStringsJsonKey).toString().split(",", QString::SkipEmptyParts);
             paramInfo->_param =         i;
             paramInfo->_units =         paramObject.value(_unitsJsonKey).toString();
             paramInfo->_nanUnchanged =  paramObject.value(_nanUnchangedJsonKey).toBool(false);
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
+            paramInfo->_enumStrings =   paramObject.value(_enumStringsJsonKey).toString().split(",", QString::SkipEmptyParts);
+#else
+            paramInfo->_enumStrings =   paramObject.value(_enumStringsJsonKey).toString().split(",", Qt::SkipEmptyParts);
+#endif
 
             if (paramObject.contains(_defaultJsonKey)) {
                 if (paramInfo->_nanUnchanged) {
@@ -402,8 +406,11 @@ bool MissionCommandUIInfo::loadJsonInfo(const QJsonObject& jsonObject, bool requ
             } else {
                 paramInfo->_defaultValue = paramInfo->_nanUnchanged ? std::numeric_limits<double>::quiet_NaN() : 0;
             }
-
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
             QStringList enumValues = paramObject.value(_enumValuesJsonKey).toString().split(",", QString::SkipEmptyParts);
+#else
+            QStringList enumValues = paramObject.value(_enumValuesJsonKey).toString().split(",", Qt::SkipEmptyParts);
+#endif
             for (const QString &enumValue: enumValues) {
                 bool    convertOk;
                 double  value = enumValue.toDouble(&convertOk);