SearchExport: do not setCellValueExplicit to TYPE_NUMERIC if the value has a...

SearchExport: do not setCellValueExplicit to TYPE_NUMERIC if the value has a leading value (avoid data loss)

CRM/CiviExportExcel/Utils/SearchExport.php

@@ -111,7 +111,8 @@ class CRM_CiviExportExcel_Utils_SearchExport {
         $value = html_entity_decode(strip_tags($value));
 
         // We use this to guard against special chars that phpspreadsheet might think are formulas
-        if (is_numeric($value)) {
+        // Also avoid converting to numeric if there is a leading zero, because Excel will remove it.
+        if (is_numeric($value) && $value[0] != "0") {
           $objPHPExcel->getActiveSheet()
             ->setCellValueExplicit($cells[$col] . $cpt, $value, \PhpOffice\PhpSpreadsheet\Cell\DataType::TYPE_NUMERIC);
         }