fix: clear key password after loading key

Signed-off-by: Robin Appelman <robin@icewind.nl>

# Conflicts:
#	apps/files_external/lib/Lib/Auth/PublicKey/RSA.php

Author: icewind1991

apps/files_external/lib/Lib/Auth/PublicKey/RSA.php

@@ -55,6 +55,7 @@ public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user =
 			$auth = RSACrypt::loadPrivateKey($storage->getBackendOption('private_key'));
 		}
 
+		$auth = $auth->withPassword('');
 		$storage->setBackendOption('public_key_auth', $auth);
 	}
 

apps/files_external/lib/Lib/Auth/PublicKey/RSAPrivateKey.php

@@ -56,6 +56,8 @@ public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user =
 				'',
 			);
 		}
+		
+		$auth = $auth->withPassword('');
 		$storage->setBackendOption('public_key_auth', $auth);
 	}
 }