, после танцев с бубнами получилось вот такое откопать на форумах...
1. Устанавливаем дополнение
2. Копируем в адресную строку
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[email protected]/network/io-service%3B1%22%5D.getService%28Ci.nsIIOService%29%3B%0Avar%20sss%20%3D%20Cc%5B%
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»» Нажмите, для закрытия спойлера | Press to close the spoiler «« 3. Устанавливаем кнопку и выносим ее на панель, кнопка включает\отключант значок обновить\стоп в адресной строке и переносит его в место, как указано на гифке, потом ее можно убрать оттуда.
4. Откопал на форуме расширения, люди над кнопками извращаются