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Fixes #8022

This version splits the `$PWD` by the slashes and prints the path
directory by directory, printing the separators as before.

Also refactor the logic

Checking if the terminal supports 256 colors is better suited for
our purpose. Checking if `$DISPLAY` is set doesn't tell us if our
colors will be displayed correctly.

Used color encodings from
https://metacpan.org/source/WOLDRICH/Term-ExtendedColor-0.224/lib/Term/ExtendedColor.pm

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

in the trapd00r theme vcs info is already displayed on the first line if in a version controlled directory. the second vcs info was displayed at the end of the second line without providing additional information. this was removed.