Given the following git config:
[core]
	editor = 'C:/Program Files/Notepad++/notepad++.exe' -multiInst -notabbar -nosession -noPlugin

Running git cl upload to create a new CL results in the following error:
'C:/Program Files/Notepad++/notepad++.exe' -multiInst -notabbar -nosession -noPlugin
Der Befehl "'C:" ist entweder falsch geschrieben oder konnte nicht gefunden werden.
Running editor failed

Git requires paths with spaces to be surrounded with single quotes. We need to convert them to double quotes to treat such paths correctly.