Collators missing for comparing sizes in power-of-two units (KiB, MiB, GiB, etc.)

[dardhal]

lnav version
Code compiled from current upstream

Describe the bug
This is related to #1647 , and hence addressing both that one and this one may be better done together.

Started using the SQL "collators"(specifically "measure_with_units) for comparing (and sorting) amounts of data (file sizes) in human readable form. This is described in the docs like below :
https://docs.lnav.org/en/latest/sqlext.html#collators

Collators
...
    measure_with_units - Compare numbers with unit suffixes. The currently supported suffixes are:
    * Sizes with an E/P/T/G/M/K prefix.
    * Seconds with an f/p/n/u/m prefix.
    * Durations of the form HH:MM:SS or HH:MM:SS

There may be certain amount of confusion and controversy, but as explained in #1647 it seems the right prefixes for amounts which are powers of two have to come with the "i" (1024 bytes = 1 KiB, not 1 KB, and so on).

Collator "measure_with_units" works beautifully when data is using B (for bytes), KB, MB, GB and so on. But it is not working when using KiB, MiB, GiB, and so on, for example :

;SELECT log_time,path,size,tier FROM file_location ORDER BY size COLLATE measure_with_units DESC   
2026-04-10 07:05:15.000000 /data/container.63.cdsf              1023.13 GiB Active
2026-04-10 07:05:15.000000 /data/container.18.cdsf              1023.13 GiB Active
2026-04-10 07:05:15.000000 /data/hdkhajdhjkadhkjas52544D0.trace 1023.06 KiB Active
2026-04-10 07:05:15.000000 /data/container.76.cdsf              1023.00 GiB Active
2026-04-10 07:05:15.000000 /data/dlksdasdasldkasldaksldkasldaks   1023.00 B Active
2026-04-10 07:05:15.000000 /data/dasjdklajsdklakljsdkljajkldkla   1023.00 B Active
2026-04-10 07:05:15.000000 /data/lñdaskdaksdkalñkdlñaklñdklñas0   1023.00 B Active

However it works when the units are changed to remove the "i" :

;SELECT log_time,path,size,tier FROM file_location ORDER BY size COLLATE measure_with_units DESC
         log_time                                                                    path                                                              size     tier
2026-04-10 07:05:15.000000 /data/1DDASDASDASDASD/container.1.cdsf                 37.49 TB Active
2026-04-10 07:05:15.000000 /data/1DCDASDASDADA48/container.1.cdsf                 37.47 TB Active
2026-04-10 07:05:15.000000 /data/ASD21D9DASDB9DC/container.1.cdsf                 37.43 TB Active
2026-04-10 07:05:15.000000 /data/1DC1DASDADF5132/container.1.cdsf                 37.40 TB Active
2026-04-10 07:05:15.000000 /data/1DASDA7FDASDAS4/container.1.cdsf                 37.40 TB Active
2026-04-10 07:05:15.000000 /data/1DCDASD3DASDAF6/container.1.cdsf                 37.40 TB Active

To Reproduce
Like above, logged this as bug rather than a feature request, as I believe the right prefixes for amounts in powers of two are those with the "i", but it can be as well a feature request to just add the prefixes with the "i" alongside the current ones without the "i".

Thank you.