The "open in new window" or "open in a new tab" is up to the application developers, and has nothing to do with the Launcher. Unless if the application provides special arguments for new windows or new tabs to open files.
The "open in new window" or "open in a new tab" is up to the application developers, and has nothing to do with the Launcher. Unless if the application provides special arguments for new windows or new tabs to open files.