Fixed new phpcs issues.

Author: BluePsyduck

src/Entity/Icon.php

@@ -60,7 +60,7 @@ public function getEntities(): array
     {
         return $this->entities;
     }
-    
+
     /**
      * Sets the contents of the icon file.
      * @param string $content

test/src/Entity/ExportJobTest.php

@@ -72,7 +72,7 @@ public function testSetAndGetImportTime(): void
         $this->assertSame($entity, $entity->setImportTime($importTime));
         $this->assertSame($importTime, $entity->getImportTime());
     }
-    
+
     /**
      * Tests the setting and getting the error message.
      * @covers ::getErrorMessage
@@ -82,7 +82,7 @@ public function testSetAndGetErrorMessage(): void
     {
         $errorMessage = 'abc';
         $entity = new ExportJob();
-    
+
         $this->assertSame($entity, $entity->setErrorMessage($errorMessage));
         $this->assertSame($errorMessage, $entity->getErrorMessage());
     }