Searching for text containing underscore (_) in Quick Search does not return any suggestion

Issue Summary

When trying to do a Quick Search for a text containing an underscore (_) doesn't yield any sugestions.

Steps to Reproduce

1. Create a new Issue and populate any of its text fields with a phrase containing an underscore*
2. Perform a Quick Search for that exact term
   *perform a wildcard search as in attached screenshot (eg. '_underscore*' )

Expected Results

The suggestions should include the Issue matching that term

Actual Results

No suggestions get displayed

Workaround

After entering the search term hit enter, if there is a match it will be displayed in the search results.