title: helm error when updating: UPGRADE FAILED: The order in patch list
body: <p>I have a problem with helm deployment. It has happend after I have added a new environment variable to the deployment.</p>
  
  <p>When I execute: <code>helm upgrade [RELEASE] [CHART]</code> </p>
  
  <p>I get the following error:</p>
  
  <pre><code>Error: The order in patch list:
  [
      map[name:APP_ENV value:prod]
      map[name:MAILER_URL value:...] 
      map[name:APP_VERSION value:v0-0-3] 
      map[name:APP_COMMIT_SHA value:...]
  ]
   doesn't match $setElementOrder list:
  [
      map[name:APP_ENV] 
      map[name:COMPOSER_HOME] 
      map[name:PHP_XDEBUG_ENABLED] 
      map[name:DATABASE_DRIVER] 
      map[name:DATABASE_HOST] 
      map[name:DATABASE_NAME] 
      map[name:DATABASE_USER] 
      map[name:SECRET] 
      map[name:INDEX_HOSTS]
      map[name:MAILER_FROM_ADDRESS] 
      map[name:MAILER_FROM_NAME] 
      map[name:UPLOAD_DIR] 
      map[name:ARCHIVE_DIR] 
      map[name:CATALOG_STORAGE_DIR] 
      map[name:ASSET_STORAGE_DIR] 
      map[name:TMP_STORAGE_DIR] 
      map[name:UPLOAD_TMP_DIR] 
      map[name:APP_VERSION] 
      map[name:APP_COMMIT_SHA] 
      map[name:APP_CRON] 
      map[name:DATABASE_PASSWORD] 
      map[name:MAILER_URL]
      ...
  ]
  </code></pre>
  
  <p>However, if I execute the same command with the flag <code>--dry-run</code>, I do not get any error ( <code>helm upgrade [RELEASE] [CHART] --dry-run</code>)</p>
  
  <p>I don't know the reason of this problem or how to solve it</p>