[Ohrrpgce] wip r13907: heroedit now uses ItemDef when working with items

[cron at rpg.hamsterrepublic.com]

https://github.com/ohrrpgce/ohrrpgce/commit/6ad760a49d057fc5aa627caf4b1d49ee5dd02822
Author: james <james at 7d344553-34f0-0310-a9b1-970ce8f1c3a2>
Date:   Thu Jun 26 00:15:37 2025 +0000

    heroedit now uses ItemDef when working with items
    Also added item_write_equipbit() overload for ItemDef
    

 heroedit.rbas | 20 ++++++++++----------
 loading.bi    |  3 ++-
 loading.rbas  |  4 ++++
 3 files changed, 16 insertions(+), 11 deletions(-)