When using a backslash with a underscore on a Manual Test Step field, the backslash gets erased

Description
If using a backslash with a underscore on a Manual Test Step field text, after clicking on Save, the backslash gets erased from the field.

How to reproduce

1. Create a Test issue
2. Select Manual Type, and add a new Test Step
3. On the Action, for example, add the following text:

   test\_backslash
   

   

4. Click on Save

Actual result/Attachments
After saving the backslash gets erased from the Action field, only remain test_backslash

Even if you click on edit to check it will not be present:

Expected result
The backslash shouldn´t be erased from the field.