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

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

Author: icewind1991

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

@@ -53,6 +53,7 @@ public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user =
 				throw new \RuntimeException('unable to load private key');
 			}
 		}
+		$auth->setPassword('');
 		$storage->setBackendOption('public_key_auth', $auth);
 	}
 

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

@@ -50,6 +50,8 @@ public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user =
 				throw new \RuntimeException('unable to load private key');
 			}
 		}
+
+		$auth->setPassword('');
 		$storage->setBackendOption('public_key_auth', $auth);
 	}
 }