Codechange: fmt (and std::format) do explicitly not support enums out-of-the-box

That it works for the version we have packaged it pure coincidence, as that is
one of the few versions that due to a bug allow it. So add the appropriate
template specialisations to support it out-of-the-box within OpenTTD.

src/console_func.h

@@ -11,7 +11,7 @@
 #define CONSOLE_FUNC_H
 
 #include "console_type.h"
-#include "3rdparty/fmt/format.h"
+#include "core/format.hpp"
 
 /* console modes */
 extern IConsoleModes _iconsole_mode;