Expanding options for autotext MenuOptions

[Gintaras]

In next LA use popupMenu.caretRectFunc. Example:

Code:

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popupMenu.caretRectFunc = () => {
    if (miscInfo.getTextCursorRect(out var r, out _)) return r;
    
    //alternative "get caret rect" code here
    
    return null; //failed
};

var m = new popupMenu("461cda57-2885-4175-bace-0795fd4ad446");

m["Item1"] = o => { };

m.Show(PMFlags.ByCaret);