AdvancedChatBox v1.2.6-26.3

Fixes clicking a command-suggestion entry selecting the entry below it (the click hit-test was off by one pixel-row). Only affects MC 26.2/26.3 where the suggestion rows are 13px; the 26.1 build is unaffected.

Requires AdvancedChatCore + MaLiLib + Fabric API.