Issue #4 Fix import with PhpSpreadsheet

Author: mikehaertl

ExcelMessageController.php

@@ -172,8 +172,8 @@ public function actionImport($configFile, $excelDir, $extension = 'xlsx', $type
                 }
                 $sheet = $excel->getSheetByName($category);
                 $row = 2;
-                while (($source = $sheet->getCellByColumnAndRow(0, $row)->getValue()) !== null) {
-                    $translation = (string)$sheet->getCellByColumnAndRow(1, $row)->getValue();
+                while (($source = $sheet->getCellByColumnAndRow(1, $row)->getValue()) !== null) {
+                    $translation = (string)$sheet->getCellByColumnAndRow(2, $row)->getValue();
                     if (trim($translation) !== '') {
                         if (!isset($messages[$language])) {
                             $messages[$language] = [];