What worked for me
I'm running a relatively fresh install of Linux Mint 21.2 Cinnamon and have the same issue installing from the Calibre web page.
Having read through this entire thread and tried everything so far suggested, in the end this got me going:
sudo apt install libxcb-cursor0
I can't guarantee that some of the other suggestions such as installing Kalzium did not also contribute to it finally working on my machine, but the above was the final thing that I ran that made it start working.
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