Bug fix: autoset next day end when possible

Invalid less than comparison & timezone offset applied by mistake.

src/my-calendar-event-editor.php

@@ -2254,10 +2254,10 @@ function mc_check_data( $action, $post, $i, $ignore_required = false ) {
 			$endtime = '23:59:59';
 		}
 
-		if ( $endtime < $time && $end === $begin ) {
+		if ( ( strtotime( $end . ' ' . $endtime ) < strtotime( $begin . ' ' . $time ) ) && $end === $begin ) {
 			// If the endtime is earlier than the start time but the dates are the same.
 			// the user most likely is creating a late night event that ends on the next day.
-			$end = mc_date( 'Y-m-d', mc_strtotime( $end . ' + 1 day' ) );
+			$end = mc_date( 'Y-m-d H:i', mc_strtotime( $end . ' + 1 day' ), false );
 		}
 		// Verify formats.
 		$time    = mc_date( 'H:i:s', mc_strtotime( $time ), false );