Feature Request: Case-insensitive image sorting

[PirateIzzy]

In the CMS build, IMG sorting is case-sensitive, meaning that it sorts by uppercase, and then by lowercase.

In the KMS build, IMG sorting is case-insensitive due to a feature in Wz_Node:

KENNYSOFT@c9e627a

Could we add this to the CMS build as well? Whether it's exactly like this or if you know a better method is up to you.
Alternatively, we can add an option to choose how to sort IMGs, between these two methods.

[Kagamia]

StrCmpLogicalW is quite heavy and also causes WzLib to lose cross-platform compatibility. However it is a better choice for human readability,and it can also corectly sort acc1, acc2, acc3 ...acc10, acc11.

We can design an external string comparer or a full managed implementation of lexicographical_compare, we can try to add it as an option.

[PirateIzzy]

Just an addendum, the Sort by IMG option also allows you to turn StrCmpLogicalW sorting on / off: