update patch 1

vendor/symfony/mime/Header/Headers.php

@@ -170,7 +170,7 @@ final class Headers
         $name = strtolower($header->getName());
 
         if (\in_array($name, self::UNIQUE_HEADERS, true) && isset($this->headers[$name]) && \count($this->headers[$name]) > 0) {
-            throw new LogicException(sprintf('Impossible to set header "%s" as it\'s already defined and must be unique.', $header->getName()));
+            throw new LogicException(\sprintf('Impossible to set header "%s" as it\'s already defined and must be unique.', $header->getName()));
         }
 
         $this->headers[$name][] = $header;
@@ -241,7 +241,7 @@ final class Headers
             }
         }
 
-        throw new LogicException(sprintf('The "%s" header must be an instance of "%s" (got "%s").', $header->getName(), implode('" or "', $headerClasses), get_debug_type($header)));
+        throw new LogicException(\sprintf('The "%s" header must be an instance of "%s" (got "%s").', $header->getName(), implode('" or "', $headerClasses), get_debug_type($header)));
     }
 
     public function toString(): string
@@ -291,7 +291,7 @@ final class Headers
 
         $header = $this->get($name);
         if (!$header instanceof ParameterizedHeader) {
-            throw new LogicException(sprintf('Unable to get parameter "%s" on header "%s" as the header is not of class "%s".', $parameter, $name, ParameterizedHeader::class));
+            throw new LogicException(\sprintf('Unable to get parameter "%s" on header "%s" as the header is not of class "%s".', $parameter, $name, ParameterizedHeader::class));
         }
 
         return $header->getParameter($parameter);
@@ -303,12 +303,12 @@ final class Headers
     public function setHeaderParameter(string $name, string $parameter, ?string $value): void
     {
         if (!$this->has($name)) {
-            throw new LogicException(sprintf('Unable to set parameter "%s" on header "%s" as the header is not defined.', $parameter, $name));
+            throw new LogicException(\sprintf('Unable to set parameter "%s" on header "%s" as the header is not defined.', $parameter, $name));
         }
 
         $header = $this->get($name);
         if (!$header instanceof ParameterizedHeader) {
-            throw new LogicException(sprintf('Unable to set parameter "%s" on header "%s" as the header is not of class "%s".', $parameter, $name, ParameterizedHeader::class));
+            throw new LogicException(\sprintf('Unable to set parameter "%s" on header "%s" as the header is not of class "%s".', $parameter, $name, ParameterizedHeader::class));
         }
 
         $header->setParameter($parameter, $value);

vendor/symfony/mime/Header/ParameterizedHeader.php

@@ -162,9 +162,9 @@ final class ParameterizedHeader extends UnstructuredHeader
             }
 
             return implode(";\r\n ", $paramLines);
-        } else {
-            return $name.$this->getEndOfParameterValue($valueLines[0], $encoded, true);
         }
+
+        return $name.$this->getEndOfParameterValue($valueLines[0], $encoded, true);
     }
 
     /**