XF 2.2 Targeting HTML Widget Icons


I've just finished a custom HTML widget and was looking to change the fontawesome icon in the header (using iO theme); specifically "h3.block-minorHeader:before". I figured the widget key would show as a data tag somewhere and allow me to target it easily, but this isn't the case. Does anyone know what I can do to target the widget?
Unfortunately, custom widgets do not have the widget key or ID passed to the template, so they can't be targeted.

I believe there is an open suggestion for it.
To work around this I just enabled Advanced mode in the widget properties and then manually put the block html around the widget's content, adding the widget key myself.
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