Fix Qt::SkipEmptyParts deprecation warning (#3726)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/widgets/settingspages/CommandPage.cpp

@@ -15,6 +15,7 @@
 #include "widgets/helper/EditableModelView.hpp"
 //#include "widgets/helper/ComboBoxItemDelegate.hpp"
 #include "util/CombinePath.hpp"
+#include "util/Qt.hpp"
 
 #include <QLabel>
 #include <QTextEdit>
@@ -59,9 +60,9 @@ CommandPage::CommandPage()
         QObject::connect(button, &QPushButton::clicked, this, [] {
             QFile c1settings = c1settingsPath();
             c1settings.open(QIODevice::ReadOnly);
-            for (auto line : QString(c1settings.readAll())
-                                 .split(QRegularExpression("[\r\n]"),
-                                        QString::SkipEmptyParts))
+            for (auto line :
+                 QString(c1settings.readAll())
+                     .split(QRegularExpression("[\r\n]"), Qt::SkipEmptyParts))
             {
                 if (int index = line.indexOf(' '); index != -1)
                 {