Firefox EndNote Click extension block mouse clicking bottom left part of NCBI website

EndNote Click version 2.3.2, Firefox version 104.0.1, Windows 10 64 bit.

In most NCBI webpage such blast, nucleotide, genbank, etc, the EndNote Click extension in Firefox have an invisible area at the bottom left corner (where the view pdf button are normally found in other webpage such as pubmed) that block mouse interaction with the webpage. In this area, the mouse cannot highlight text, press any GUI buttons, or click links.