[BUGFIX] Do not process original files

The existing ProcessedFiles identifier check must be adjusted,
since the default value is an empty string for entries that
uses the original file.

Resolves: #89716
Releases: master, 9.5
Change-Id: Iea68cfbc02da0872b14a5645d3a0d4d60263738c
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62538


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Steffen Frese <steffenf14@gmail.com>
Reviewed-by: Jörg Bösche <typo3@joergboesche.de>
Reviewed-by: Sascha Rademacher <sascha.rademacher+typo3@gmail.com>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/core/Classes/Resource/ProcessedFile.php

@@ -182,7 +182,7 @@ class ProcessedFile extends AbstractFile
      */
     public function updateWithLocalFile($filePath)
     {
-        if ($this->identifier === null) {
+        if (empty($this->identifier)) {
             throw new \RuntimeException('Cannot update original file!', 1350582054);
         }
         $processingFolder = $this->originalFile->getStorage()->getProcessingFolder($this->originalFile);
@@ -419,7 +419,7 @@ class ProcessedFile extends AbstractFile
      */
     public function usesOriginalFile()
     {
-        return $this->identifier === null || $this->identifier === $this->originalFile->getIdentifier();
+        return empty($this->identifier) || $this->identifier === $this->originalFile->getIdentifier();
     }
 
     /**