import: explictly handle all the config keys

dashboard/src/components/AppImportDialog.vue

@@ -214,9 +214,17 @@ function onBackupConfigChanged(event) {
 
     providerConfig.value = {};
     for (const [key, value] of Object.entries(data.config)) {
-      if (key === 'noHardlinks' || key === 'chown' || key === 'preserveAttributes') {
+      switch (key) {
+      case 'noHardlinks':
+      case 'chown':
+      case 'preserveAttributes':
         // not really used for importing
-      } else if (key === 'mountOptions') { // providerConfig uses a flattened format of config.mountOptions
+        break;
+      case 'projectId':
+      case 'credentials':
+        // gcs fields which should be set by user by uploading json
+        break;
+      case 'mountOptions': // providerConfig uses a flattened format of config.mountOptions
         providerConfig.value.mountOptionHost = data.config.mountOptions.host;
         providerConfig.value.mountOptionPort = data.config.mountOptions.port;
         providerConfig.value.mountOptionRemoteDir = data.config.mountOptions.remoteDir;
@@ -226,10 +234,20 @@ function onBackupConfigChanged(event) {
         providerConfig.value.mountOptionUsername = data.config.mountOptions.username;
         providerConfig.value.mountOptionPassword = data.config.mountOptions.password;
         providerConfig.value.mountOptionPrivateKey = '';
-      } else {
-        // s3: 'accessKeyId', 'secretAccessKey', 'bucket', 'prefix', 'signatureVersion', 'endpoint', 'region', 'acceptSelfSignedCerts', 's3ForcePathStyle'
-        // gcs: 'bucket', 'prefix'
+        break;
+      case 'accessKeyId': // s3
+      case 'secretAccessKey': // s3
+      case 'bucket': // s3, gcs
+      case 'prefix': // s3, gcs
+      case 'signatureVersion': // s3
+      case 'endpoint': // s3
+      case 'region': // s3
+      case 'acceptSelfSignedCerts': // s3
+      case 's3ForcePathStyle': // s3
         providerConfig.value[key] = value;
+        break;
+      default:
+        console.log('unhandled key when importing config file:', key);
       }
     }