Don't trap clicks when modifier keys are used
Don't trap clicks when modifier keys are used

Trapping Cmd/Ctrl/Shift/Alt clicks is a no-no. We want users to be able
to Cmd-click to open a new tab or Shift-click to open a new window. The
only clicks we want to trap are vanilla navigation clicks.

elia/clearwater,elia/clearwater,clearwater-rb/clearwater,clearwater-rb/clearwater