Use scheduled hours instead of used for percentage

Used hours are only for scheduled hours that are in the past. To
calculate percentage it is needed to use all the scheduled hours for
the period instead.

model/facade/action/GetHolidaySummaryReportAction.php

@@ -94,7 +94,7 @@ protected function doExecute()
  'usedHours' => round($usedHours, 2),
  'pendingHours' => round($summary['pendingHours'][$this->user->getLogin()], 2),
  'scheduledHours' => round($summary['scheduledHours'][$this->user->getLogin()] - $usedHours, 2),
- 'percentage' => $summary['availableHours'][$this->user->getLogin()] ? round(($usedHours / $summary['availableHours'][$this->user->getLogin()]) * 100, 2) : 0,
+ 'percentage' => $summary['availableHours'][$this->user->getLogin()] ? round(($summary['scheduledHours'][$this->user->getLogin()] / $summary['availableHours'][$this->user->getLogin()]) * 100, 2) : 0,
  'hoursDay' => $validJourney,
  'holidays' => $leaves,
  ];