[ENSCORESW-2289]. Recalculate coordinates of projected slice segments using the values returned by invoking the updated mapper interfaces which return the original and mapped coordinates. The coordinates are readjusted consider the slice strand.
[ENSCORESW-2289]. Recalculate coordinates of projected slice segments using the values returned by invoking the
updated mapper interfaces which return the original and mapped coordinates. The coordinates are readjusted
consider the slice strand.

There are some minor optimisations which avoid going through unnecessary code fragments in certain circumnstances.

james-monkeyshines/ensembl,muffato/ensembl,Ensembl/ensembl,muffato/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,Ensembl/ensembl,muffato/ensembl,muffato/ensembl,Ensembl/ensembl