Merge pull request #59884 from nextcloud/backport/59867/stable32

[stable32] fix(files_sharing): Drop trailing '?' from public download redirect URL

Author: AndyScherzinger

apps/files_sharing/lib/Controller/ShareController.php

@@ -418,7 +418,9 @@ public function downloadShare($token, $files = null, $path = '') {
 		}
 
 		$davUrl = '/public.php/dav/files/' . $token . $davPath;
-		$davUrl .= '?' . http_build_query($params);
+		if (!empty($params)) {
+			$davUrl .= '?' . http_build_query($params);
+		}
 		return new RedirectResponse($this->urlGenerator->getAbsoluteURL($davUrl));
 	}
 }