move QString-formatting to helpers.hpp so fS works with it all the time

src/debug/log.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "fmt/format.h"
+#include "util/helpers.hpp"
 
 #include <QDebug>
 #include <QTime>
@@ -20,18 +20,8 @@ static void _log(const std::string &message)
 template <typename... Args>
 inline void Log(const std::string &formatString, Args &&... args)
 {
-    detail::_log(fmt::format(formatString, std::forward<Args>(args)...));
+    detail::_log(fS(formatString, std::forward<Args>(args)...));
 }
 
 }  // namespace debug
 }  // namespace chatterino
-
-namespace fmt {
-
-// format_arg for QString
-inline void format_arg(BasicFormatter<char> &f, const char *&, const QString &v)
-{
-    f.writer().write("\"{}\"", v.toStdString());
-}
-
-}  // namespace fmt

src/util/helpers.hpp

@@ -11,3 +11,13 @@ auto fS(Args &&... args) -> decltype(fmt::format(std::forward<Args>(args)...))
 }
 
 }  // namespace chatterino
+
+namespace fmt {
+
+// format_arg for QString
+inline void format_arg(BasicFormatter<char> &f, const char *&, const QString &v)
+{
+    f.writer().write("\"{}\"", v.toStdString());
+}
+
+}  // namespace fmt