Endless progress bar after closing the search box #1912

To Reproduce
Steps to reproduce the behavior:

1. Enter a couple of characters in the search bar
2. Click on 'Close'
3. An endless progress bar appears under the search bar

Expected behavior
Progress bar should be hiding.

Host Info (please complete the following information):

• OS: Linux
• Wiki.js version: 2.3.81
• Database engine: MySQL 5.7

Additional
Perhaps this will seem insignificant to you. But still I decided to write about it. Thanks for your work!