NoScript icon jumps to the right after update

We had this issue as part of #23724 (moved) but it still seems to be not fixed. After the update to NoScript 5.1.3 (from 5.1.2) the icon jumps to the right and the following error is visible in the browser console

CustomizableUI: Widget 'noscript-tbb' not found, unable to move CustomizableUI.jsm:1149

This got reported on our blog (https://blog.torproject.org/comment/272025#comment-272025).

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