[BUGFIX] Do not stop rewrite processing for favicon.ico

Requests to /favicon.ico should not stop rewrite processing. They could
trigger a static route or could be handeled by an error handler.

Change-Id: Iceff3719604f3d6a2ce2fe2a810cb33e7b4cebb2
Resolves: #92237
Releases: master, 10.4, 9.5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65645


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Frank Nägler <frank.naegler@typo3.org>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Reviewed-by: Frank Nägler <frank.naegler@typo3.org>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>

typo3/sysext/install/Resources/Private/FolderStructureTemplateFiles/root-htaccess

@@ -307,7 +307,7 @@ AddDefaultCharset utf-8
 
 	# Stop rewrite processing, if we are in the typo3/ directory or any other known directory
 	# NOTE: Add your additional local storages here
-	RewriteRule ^(?:typo3/|fileadmin/|typo3conf/|typo3temp/|uploads/|favicon\.ico) - [L]
+	RewriteRule ^(?:typo3/|fileadmin/|typo3conf/|typo3temp/|uploads/) - [L]
 
 	# If the file/symlink/directory does not exist => Redirect to index.php.
 	# For httpd.conf, you need to prefix each '%{REQUEST_FILENAME}' with '%{DOCUMENT_ROOT}'.