Fix one more clazy issue

src/timeline/InputBar.cpp

@@ -776,7 +776,9 @@ InputBar::getCommandAndArgs(const QString &currentText) const
     if (!currentText.startsWith('/'))
         return {{}, currentText};
 
-    int command_end = currentText.indexOf(QRegularExpression(QStringLiteral("\\s")));
+    static QRegularExpression spaceRegex(QStringLiteral("\\s"));
+
+    int command_end = currentText.indexOf(spaceRegex);
     if (command_end == -1)
         command_end = currentText.size();
     auto name = currentText.mid(1, command_end - 1);

src/timeline/TimelineModel.cpp

@@ -1340,7 +1340,7 @@ TimelineModel::formatDateSeparator(QDate date) const
     QString fmt = QLocale::system().dateFormat(QLocale::LongFormat);
 
     if (now.date().year() == date.year()) {
-        QRegularExpression rx(QStringLiteral("[^a-zA-Z]*y+[^a-zA-Z]*"));
+        static QRegularExpression rx(QStringLiteral("[^a-zA-Z]*y+[^a-zA-Z]*"));
         fmt = fmt.remove(rx);
     }