I haven’t figured out a workaround for this yet; however, I wanted to share this thread regarding the more action button styling in case it’s at all helpful for you.
I’m sure others, who have dark themed apps share the frustration of having a stark white “more actions” button so I spent some time reverse engineering the layout and found a way to adjust the colors of it.
In the example code below, the button has been made transparent and the color of the 3 dots have been inverted for use on a dark bg. Update the colors as needed for your use case.
Note, this has been tested using the table block, I have not yet tried this on any other block types.
In the p…