chore: fixup PublicPreviewControllerTest getPreview expected crop boolean

Signed-off-by: Josh <josh.t.richards@gmail.com>

Author: joshtrichards

apps/files_sharing/tests/Controller/PublicPreviewControllerTest.php

@@ -329,7 +329,7 @@ public function testPreviewFolderValidFileMimeFallbackRedirectsWhenPreviewMissin
 			->willReturn('text/plain');
 
 		$this->previewManager->method('getPreview')
-			->with($this->equalTo($file), 10, 10, false)
+			->with($this->equalTo($file), 10, 10, true)
 			->willThrowException(new NotFoundException());
 
 		$this->mimeIconProvider->method('getMimeIconUrl')