fix Interpretation/Time calculated 'dateend' when using 'year' and 'm…

…onth' filter options - dateend must be date only, without time, therefor 00:00 of date is ingored and whole day got's included in result, resulting in first day of next cycle was inlcuded

src/Netresearch/TimeTrackerBundle/Controller/InterpretationController.php

@@ -374,17 +374,29 @@ private function getEntries(Request $request, $maxResults = null)
  if (null !== $year) {
  $month = $this->evalParam($request, 'month');
  if (null !== $month) {
- $datestart = $year . '-' . $month . '-01T00:00:00';
- $dateend = \DateTime::createFromFormat('Y-m-d\TH:i:s', $datestart);
+ // first day of month
+ $datestart = $year . '-' . $month . '-01';
+
+ // last day of month
+ $dateend = \DateTime::createFromFormat('Y-m-d', $datestart);
  $dateend->add(new \DateInterval('P1M'));
+ // go back 1 day, to set date from first day of next month back to last day of last month
+ // e.g. 2019-05-01 -> 2019-04-30
+ $dateend->sub(new \DateInterval('P1D'));
  } else {
- $datestart = $year . '-01-01T00:00:00';
- $dateend = \DateTime::createFromFormat('Y-m-d\TH:i:s', $datestart);
+ // first day of year
+ $datestart = $year . '-01-01';
+
+ // last day of year
+ $dateend = \DateTime::createFromFormat('Y-m-d', $datestart);
  $dateend->add(new \DateInterval('P1Y'));
+ // go back 1 day, to set date from first day of next year back to last day of last year
+ // e.g. 2019-01-01 -> 2018-12-31
+ $dateend->sub(new \DateInterval('P1D'));
  }
 
  $arParams['datestart'] = $datestart;
- $arParams['dateend'] = $dateend->format('Y-m-d\TH:i:s');
+ $arParams['dateend'] = $dateend->format('Y-m-d');
  }
 
  if (!$arParams['customer']