Shorten link text.
Shorten link text.

When a link's text is particularly long, displaying all of its text
makes the hint look weird - so shorten it.

We still use the full text for matching.

decaffeinate-examples/vimium,poacher2k/vimium,smblott-github/vimium,poacher2k/vimium,philc/vimium,gdh1995/vimium,philc/vimium,willsALMANJ/vimium,willsALMANJ/vimium,smblott-github/vimium,philc/vimium,poacher2k/vimium,mrmr1993/vimium,smblott-github/vimium,mrmr1993/vimium,gdh1995/vimium,decaffeinate-examples/vimium,willsALMANJ/vimium,mrmr1993/vimium,gdh1995/vimium,decaffeinate-examples/vimium