Change Details

Steps to Reproduce: 1. On `testwiki` edit one of SE article. 2. The post-edit dialog will be displayed with a delay and the Console displays the following error: ``` Cannot read property 'length' of null TypeError: Cannot read property 'length' of null at PostEditPanel.logImpression ```

Steps to Reproduce: 1. On `testwiki` edit one of SE article. 2. The post-edit dialog will be displayed with a delay and the Console displays the following error: ``` Cannot read property 'length' of null TypeError: Cannot read property 'length' of null at PostEditPanel.logImpression ``` 3. The "'x" and “Close and edit this article again” buttons in the post-edit dialog do not work.

Steps to Reproduce: 1. On `testwiki` edit one of SE article. 2. The post-edit dialog will be displayed with a delay and the Console displays the following error: ``` Cannot read property 'length' of null TypeError: Cannot read property 'length' of null at PostEditPanel.logImpression ``` 3. The "'x" and “Close and edit this article again” buttons in the post-edit dialog do not work.