validate encryption password separately

src/settings.js

@@ -464,6 +464,9 @@ async function setBackupConfig(backupConfig) {
     if (error) throw error;
 
     if ('password' in backupConfig) { // user set password
+        const error = await backups.validateEncryptionPassword(backupConfig.password);
+        if (error) throw error;
+
         backupConfig.encryption = backups.generateEncryptionKeysSync(backupConfig.password);
         delete backupConfig.password;
     }