Bug - an error appears in system's log if choose disabled queue in Queue column filter in Dashboard

[BuilderNSV]

Environment

• Server OS: Linux
• Browser: Firefox
• Znuny version: 7.1.2

Expected behavior

There are no errors in logs if choose disabled queue in column filter in Dashboard.

Actual behavior

It is many lines in log "[Error][Kernel::System::Ticket::TicketSearch::TicketSearch][418] The given param 'null' in 'QueueIDs' is invalid!" if choose disabled queue in column filter in Dashboard.

How to reproduce

Steps to reproduce the behavior:

1. Greate a queue (Q1) linked with group (G1).
2. Greate another queue (Q2) as sub-queue of Q1 linked with group G2.
3. There is one/several tickets greated in Q2 queue.
4. Logged in agent does not have access to G1 group but has access to G2.
5. Go to Dashboard to 'Open Tickets' widget.
6. Open drop down filter for Queue column.
7. See that Q1 is displayed as grey-out. Choose it
8. See that no tickets are shown in the widget
9. Refresh page by pressing F5
10. See in OTRS logs that several lines appears

[Error][Kernel::System::Ticket::TicketSearch::TicketSearch][415] Invalid integer in query 'null'!
[Error][Kernel::System::Ticket::TicketSearch::TicketSearch][418] The given param 'null' in 'QueueIDs' is invalid!