Publish page: fix issues with display of top claim value
Publish page: fix issues with display of top claim value

 - Display top bid correctly (before, it would sometimes show the user's
   bid instead)
 - Change wording to say "more than ___ credits" instead of "at least
   ___ credits"

akinwale/lbry-app,MaxiBoether/lbry-app,akinwale/lbry-app,MaxiBoether/lbry-app,lbryio/lbry-electron,lbryio/lbry-electron,jsigwart/lbry-app,MaxiBoether/lbry-app,lbryio/lbry-app,lbryio/lbry-app,akinwale/lbry-app,jsigwart/lbry-app,akinwale/lbry-app,MaxiBoether/lbry-app,jsigwart/lbry-app,lbryio/lbry-electron,jsigwart/lbry-app