And you don't think that I already did what you mention? I already exhausted all my resources and knowledge, I can't even find the file that controls the icon image, which makes me think that it doesn't come from any image file. So if I ask here, it is because I would like someone to help me find solutions, not give me an unnecessary lecture.You won't find a tutorial on how to do it and probably no one will tell you how, you have to watch tutorials on how to remove other buttons, manage and trial and error, that's the only way you'll learn, don't expect them to give you everything, that's how I do it to learn without the need for someone to tell me how
SOLVED
FOR THE GUYS THAT ASK THE SAME, THE FILE THAT YOU NEED EDIT IS:
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YAnd you will know what it takes to be able to highlight the icon when selecting the buttonrespuesta corregida*