Codechange: compile-time validate the string format of IConsolePrint (#11804)

This means we can no longer use runtime picking what string to use.

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.

Codechange: replace IConsolePrintF with IConsolePrint and fmt formatting

Also make some strings more consistent with the rest of the console strings.

Cleanup: remove IConsoleWarning/IConsoleError helpers

Both did not support format parameters, so in many places IConsolePrint(CC_ERROR, "message") was used with a style different from what IConsoleError would do.

(svn r16269) -Codechange: use gcc's ability to check parameters sent to printf-like functions
-Fix: wrong number of parameters or wrong parameter types sent to printf-like functions at several places