[ Feature ] Painting - add ID Mask support about material-maker HOT 5 CLOSED

There is already a tool to define a mask for painting or filling (rightmost button in the painting tool).

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I think I will completely change the UI for this. Porting it to Godot 4, I realized it's a PITA it is in a popup.
I guess I will make it a tool, just like color picker, and add it to the brush/jitter part of the UI.

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Works perfectly. Thanks!

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@RodZill4 - actually, can't seem to zoom out in the mini id-map window?

Would it be possible to add an option to sync to the main window? (or even absorb the view in the main window so the id map is just a little panel like the brush/jitter are that activates when you click the icon)

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Example:

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