message: fix(GUI): remove success screen dots with a quantity of zero
  We remove success screen dots that are zero, which mainly means that the
  error dot disappears as it shouldn't currently be possible to end up
  with zero successful devices on that screen.
  Change-Type: patch
diff: <div uib-tooltip="{{ finish.formattedErrors() }}" tooltip-placement="bottom" class="title-wrap">
  <h3 class="title">Flash Complete!</h3>
  <div class="target-status-line target-status-{{ type }}"
  - ng-repeat="(type, quantity) in finish.flash.getFlashResults().results.devices">
  + ng-repeat="(type, quantity) in finish.flash.getFlashResults().results.devices"
  + ng-if="quantity">
  <span class="target-status-dot"></span>
  <span class="target-status-quantity">{{ quantity }}</span>
  <span class="target-status-message">{{ finish.progressMessage[type](quantity) }}</span>
  