Fix the order of arguments in command-line parsing error message

[agalanin-at-nvidia]

CLI11 code prints the command-line arguments in reversed order in the error message.

Code to reproduce:

#include <string>
#include <CLI/CLI.hpp>

int main(int argc, const char **argv)
{
    CLI::App app{"Bug report app"};
    std::string foo;

    app.add_option("--foo", foo, "Foo option");
    CLI11_PARSE(app, argc, argv);

    return 0;
}

Reproduction:

$ g++ -Wall -Wextra -I CLI11/include/ cli11-bug-order-in-error.cpp -o cli11-bug-order-in-error && ./cli11-bug-order-in-error --foo bar --fizz buzz
The following arguments were not expected: buzz --fizz
Run with --help for more information.

Expected result:

The following arguments were not expected: --fizz buzz
Run with --help for more information.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (e4ee3af) to head (9e85fc6).
Report is 91 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##              main     #1158     +/-   ##
===========================================
  Coverage   100.00%   100.00%             
===========================================
  Files           17        17             
  Lines         4546      5042    +496     
  Branches         0      1024   +1024     
===========================================
+ Hits          4546      5042    +496     

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[phlptp]

I think there are a couple spots where calling the ExtrasError was correct with the rjoin so we are probably going to have to either reverse those vectors or the calls where this change is now correct. I think we will also want a couple test cases that check for this error in the various situations ExtrasError arises. I can help with the test cases if needed but might be a few days.

[phlptp]

Going to merge this, I will add a few tests and checks on some other situations soon