[Lua debugging] Pass design-size & device-size to debug target.

[halx99]

No description provided.

[halx99]

--design-size=720x1280 --device-size=640x960 --orientation=landscape or --orientation=portrait

[halx99]

std::string_view value;
for (int i = 0; i < argc; ++i) {
    const size_t len = sizeof("--design-size=") - 1;
    if (strnicmp(argv[i], "--design-size=", len ) == 0) {
          value = argv[i] + len;
    }
}