[TASK] Default TS has to be set in ext_typoscript_setup

Releases: master, 10.4
Resolves: #93543
Change-Id: I5d35b1fd24ff94941cb59aecf082415fbe7ed246
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/67966


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/form/Documentation/I/FAQ/Index.rst

@@ -73,8 +73,8 @@ Next, define the additional fluid template search paths via YAML.
    templates, register the new paths for the backend module as well.
 
 
-EXT:my_site_package/ext_localconf.php
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+EXT:my_site_package/ext_typoscript_setup.typoscript
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Register your EXT:form configuration for the backend via TypoScript. Read
 the :ref:`chapter about configuration concepts <concepts-configuration-yamlregistration-backend>`