Server installs into wrong directory if it has a space in it's name

## User Story

When installing into a directory with a space in the name, it will install into the wrong directory.

* **Distro:** [Linux Mint 20 Ulyana]
* **Game:** [Garry's Mod]
* **Command:** [Install]
* **LinuxGSM version:** [v20.4.1]

## Further Information

During the install process of the server, when it reaches the SteamCMD portion it will create a new directory where it meets a space and install the server under that directory, instead of the current working directory.
An example would be, if you were to install under
/home/user/directory name/installfolder,
it instead would install the server itself under
/home/user/directory,
cutting off the end.

## To Reproduce

-Create an install directory with a space in the name
-Run the install command

## Expected behaviour

For the server files to be installed into the correct directory with spacing in the name.