[BUGFIX] Add sys log errors from current day to widget

Include current day when collecting data and labels for sys log widget.

Resolves: #90517
Releases: master
Change-Id: Idc65d03df0e6d115450cc080c479b52759636123
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63400


Tested-by: Christian Eßl <indy.essl@gmail.com>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/dashboard/Classes/Widgets/SysLogErrorsWidget.php

@@ -87,7 +87,7 @@ class SysLogErrorsWidget extends AbstractBarChartWidget
     {
         $format = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'] ?: 'Y-m-d';
 
-        for ($daysBefore=$days; $daysBefore>0; $daysBefore--) {
+        for ($daysBefore=$days; $daysBefore>=0; $daysBefore--) {
             $this->labels[] = date($format, strtotime('-' . $daysBefore . ' day'));
             $startPeriod = strtotime('-' . $daysBefore . ' day 0:00:00');
             $endPeriod =  strtotime('-' . $daysBefore . ' day 23:59:59');