I put this above Yanfly's Message Core as instructed, but it still scales icons in the Quest Journal (all windows) and the ItemActionCommand window (where the "use" command is displayed) despite the parameter being set to false. My Yanfly plugins are in the exact order listed on the site, so I know that isn't the reason. Any chance of a fix? Like the other commenter, I really need the text color changing option, because ironically Yanfly's <Text Color: x> notetag doesn't seem to be compatible with his own other plugins....... but yours is.
Suppose I should've just tinkered with it myself before posting... anyway, if anyone else needs a solution, change lines 631-639 to this
if (!this._iconOff) {
let pad = this.fontSize * 1;
let iconwidth = 32;
let sheet = ImageManager.loadSystem('IconSet');
let start = 0;
let frameH = Window_Base._iconWidth
let frameV = Window_Base._iconWidth
let perRow = 16
let adjust = false
and that should stop icons from autoscaling, but keep the color change codes working. It completely disables the scaling regardless of true/false though, so if you decide you want it back on, you'll need to revert this change. Just to be clear it isn't a fix for the toggle itself.