[ui5-multi-combo-box]: "Select all" checkbox container has no background

[alexis39tt]

Bug Description

When the showSelectAll property is set to true, the "Select all" checkbox appears (as expected). But if there are many items in the multi-combo-box and the list is scrollable, the "Select all" container is transparent and thus the scrolled items are visible under it

Screenshot attached

Browser Chrome, Safari

Operating System macOS Sonoma 14.5

Additional Context None

Organization None

Declaration

• [x] I’m not disclosing any internal or sensitive information.

Affected Component

ui5-multi-combo-box

Expected Behaviour

The background for the "Select all" checkbox container should be the same as for the list

Isolated Example

n.a.

Steps to Reproduce

1. Add a ui5-multi-combo-box with the property showSelectAll set to true
2. Add some ui5-multi-combo-box-item (15-20 should be enough) in it
3. Scroll the items when the list is open

Log Output, Stack Trace or Screenshots

Priority

Low

UI5 Web Components Version

2.0.1

Browser

Chrome

Operating System

macOS Sonoma 14.5

Additional Context

No response

Organization

SAP

Declaration

• [X] I’m not disclosing any internal or sensitive information.

[tsanislavgatev]

Hi colleagues,

Can you please check this issue? It's reproducible on quartz light here. You need to scroll down the list when you open the popover.

Best Regards, Tsani