[FIX][Modules][Events] Fixed cell enhancement when the value is a sub…

… technique (#3944)

* fix: Fixed enhancement of button for the `rule.mitre.id` when the value is a subtechnique

* changelog: Add PR to the changelog

* fix: Updated regex to enhance the `rule.mitre.id` cell in the Events tab of modules

CHANGELOG.md

@@ -148,6 +148,7 @@ All notable changes to the Wazuh app project will be documented in this file.
 - Fixed the Events view multiple "The index pattern was refreshed successfully" toast [#3937](https://github.com/wazuh/wazuh-kibana-app/pull/3937)
 - Fixed a rendering problem in the map visualizations [#3942](https://github.com/wazuh/wazuh-kibana-app/pull/3942)
 - Parse error when using `#` character not at the beginning of the line [#3877](https://github.com/wazuh/wazuh-kibana-app/pull/3877)
+- Fixed the `rule.mitre.id` cell enhancement that doesn't support values with sub techniques [#3944](https://github.com/wazuh/wazuh-kibana-app/pull/3944)
 
 ## Wazuh v4.2.6 - Kibana 7.10.2, 7.11.2, 7.12.1, 7.13.0, 7.13.1, 7.13.2, 7.13.3, 7.13.4, 7.14.0, 7.14.1, 7.14.2 - Revision 4207
 

public/components/common/modules/events-enhance-discover-fields.ts

@@ -104,7 +104,7 @@ export const EventsEnhanceDiscoverCell = {
     },
     currentTechnique: content
   }), {
-    contentRegex: /(\w+)/g,
+    contentRegex: /(T\d+\.?(\d+)?)/g,
     element: 'span'
   }),
   'syscheck.value_name': (content, rowData, element, options) => {