[FEATURE] Add additionalAttributes to formDefinitions renderingOptions

Resolves: #89551
Releases: master
Change-Id: I3f88c949564c9726ab84f22d3e5f593858faa464
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62201


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Christian Eßl <indy.essl@gmail.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Susanne Moog <look@susi.dev>
Reviewed-by: Tobi Kretschmann <tobi@tobishome.de>
Reviewed-by: Henning Liebe <h.liebe@neusta.de>
Reviewed-by: Felix P. <f.pachowsky@neusta.de>
Reviewed-by: Sascha Rademacher <sascha.rademacher+typo3@gmail.com>
Reviewed-by: Steffen Frese <steffenf14@gmail.com>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Susanne Moog <look@susi.dev>

typo3/sysext/core/Documentation/Changelog/master/Feature-89551-AddFluidAdditionalAttributesToTheFormElement.rst

+.. include:: ../../Includes.txt
+
+===================================================================
+Feature: #89551 - Add fluidAdditionalAttributes to the form element
+===================================================================
+
+See :issue:`89551`
+
+Description
+===========
+
+Allows to configure fluidAdditionalAttributes within form element:
+`TYPO3:
+  CMS:
+    Form:
+      prototypes:
+        standard:
+          formElementsDefinition:
+            Form:
+              renderingOptions:
+                fluidAdditionalAttributes:
+                  novalidate: 'novalidate'
+
+
+Impact
+======
+
+For projects using it's own Form template, the following attribute can be set on viewhelper formvh:form as attribute:
+`additionalAttributes="{formvh:translateElementProperty(element: form, property: 'fluidAdditionalAttributes')}"`
+
+.. index:: Fluid, ext:form

typo3/sysext/form/Resources/Private/Frontend/Templates/Form.html

@@ -10,6 +10,7 @@
                 addQueryString="{form.renderingOptions.addQueryString}"
                 argumentsToBeExcludedFromQueryString="{form.renderingOptions.argumentsToBeExcludedFromQueryString}"
                 additionalParams="{form.renderingOptions.additionalParams}"
+                additionalAttributes="{formvh:translateElementProperty(element: form, property: 'fluidAdditionalAttributes')}"
         >
             <f:render partial="{form.currentPage.templateName}" arguments="{page: form.currentPage}" />
             <div class="actions">