Make qmlls help output consistent

Usage: d:\Qt\6.7.0\msvc2019_64\bin\qmlls [options]
QML languageserver

Options:
  -?, -h, --help              Displays help on commandline options.
  --help-all                  Displays help, including generic Qt options.
  -w, --wait <waitSeconds>    Waits the given number of seconds before startup
  -v, --verbose               Outputs extra information on the operations being
                              performed
  -l, --log-file <logFile>    Writes logging to the given file
  -b, --build-dir <buildDir>  Adds a build dir to look up for qml information
  --write-defaults            Writes defaults settings to .qmlls.ini and exits
                              (Warning: This will overwrite any existing
                              settings and comments!)
  --ignore-settings           Ignores all settings files and only takes command
                              line options into consideration
  --no-cmake-calls            Disables automatic CMake rebuilds and C++ file
                              watching.