Fixed command line options parsing

[SurinameClubcard]

On LMDE6, I have backports configured. I noticed that apt -t bookworm-backports install qemu fails with a strange looking error:

root@lmde:~# apt -t bookworm-backports install qemu
Reading package lists... Done
E: The value 'qemu' is invalid for APT::Default-Release as such a release is not available in the sources

This boils down to how /usr/local/bin/apt is parsing command line options. In above example, that Python code makes a good effort in switching the -t with install but that leaves the system with apt install bookworm-backports -t qemu which ofc produces the same error. This PR implements a simple rotation that will keep putting options on the back of the arguments until finished.

Needless to say that apt install qemu -t bookworm-backports works already without this modification.

I did notice this:

root@lmde:~# /usr/local/bin/apt help install
"apt install " is equivalent to "/usr/bin/apt install"

So it could be by design. But in that case, just throw an error if the first argument is not a valid command?