fix: datatype number for search (#857)

* fix: datatype number for search

* Update Changelog.md

* Update CHANGELOG.md

Author: MyvTsv

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [UNRELAESE]
 
 ### Fixed
+- Force decimal ‘datatype’ of `numeric` fields  for more accurate display.
 - Do not destroy the dropdown table/class if it is being used by another container.
 - Fix fields updates with multiple containers via the API.
 

inc/container.class.php

@@ -1957,6 +1957,8 @@ public static function getAddSearchOptions($itemtype, $containers_id = false)
                     $opt[$i]['datatype'] = 'text';
                     break;
                 case 'number':
+                    $opt[$i]['datatype'] = 'decimal';
+                    break;
                 case 'date':
                 case 'datetime':
                     $opt[$i]['datatype'] = $data['type'];