[JRACLOUD-80552] Inconsistency with a text field that contains underscore character

Currently, there's an inconsistency with a text field that contains an underscore “_” character

Using the JQL mode try to search for an issue that contains an underscore “_” character. For example:

summary ~ "jira_issue_test"

As the underscore is not a Special character the customer must be able to search the issues that contain an underscore in the JQL mode.

Try to search without the underscore. For example:

summary ~ "jira issue test"

is cloned from

JRACLOUD-75866 Searching JIRA issues for special characters (in text fields) does not work