Bug - Ticket can't be found by customer user for CustomerID with brackets in name

[BuilderNSV]

Environment

• Server OS: Linux
• Browser: FireFox, Chrome
• Znuny version: 7.1.2

Expected behavior

Ticket is found by customer user for CustomerID with brackets in name

Actual behavior

Executed by customer user search operation returns empty result if CustomerID has brackets in name

How to reproduce

Steps to reproduce the behavior:

1. Create CustomerID with brackets in name , for example "My Company (East branch)".
2. Create customer user belonging to the CustomerID .
3. Create one or more phone tickets from created customer user.
4. Go to the search form in customer interface (http://localhost/znuny/customer.pl?Action=CustomerTicketSearch) and choose from 'CustomerID' dropdown list company .
5. Press search button and you will see that no tickets were found.

[rkaldung]

Internal issue 972