[BUGFIX] Respect format when rendering partial

The request format needs to be respected when rendering partials,
otherwise the same partial cannot be rendered in different formats
in the same request.

An example is rendering mails in plain text and HTML.

Resolves: #60338
Releases: master, 6.2
Change-Id: I118ee0a535d0f06391cd802c10d7c3c5129c2a2c
Reviewed-on: http://review.typo3.org/35475


Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>

typo3/sysext/fluid/Classes/View/AbstractTemplateView.php

@@ -253,10 +253,11 @@ abstract class AbstractTemplateView implements \TYPO3\CMS\Extbase\Mvc\View\ViewI
 	 * @return string
 	 */
 	public function renderPartial($partialName, $sectionName, array $variables) {
-		if (!isset($this->partialIdentifierCache[$partialName])) {
-			$this->partialIdentifierCache[$partialName] = $this->getPartialIdentifier($partialName);
+		$partialNameWithFormat = $partialName . '.' . $this->controllerContext->getRequest()->getFormat();
+		if (!isset($this->partialIdentifierCache[$partialNameWithFormat])) {
+			$this->partialIdentifierCache[$partialNameWithFormat] = $this->getPartialIdentifier($partialName);
 		}
-		$partialIdentifier = $this->partialIdentifierCache[$partialName];
+		$partialIdentifier = $this->partialIdentifierCache[$partialNameWithFormat];
 
 		if ($this->templateCompiler->has($partialIdentifier)) {
 			$parsedPartial = $this->templateCompiler->get($partialIdentifier);