[wt.exe] Help windows are inconsistent #4612
Description
Environment
Microsoft Windows [Version 10.0.18363.535]
Steps to reproduce
# at the moment, this is considered a wrong syntax, so a help window pops up
# and help messages are not the same
PS C:\> wt `; split-pane -h cmd.exe
PS C:\> wt `; split-pane -v cmd.exe
# calling help gives us the third kind of a help message
--help, -h, -?, and /?
Expected behavior
All help windows are the same.
Actual behavior
Help windows contain different help messages dependent of the way how help is triggered.