hc:ComboBox dropdown automatically close as soon as opened with mouse click

[DineshSolanki]

Describe the bug

DropDown of combobox opens and closes automatically, even without making a selection, it stays open until mouse is pressed, as soon as mouse is lifted, the dropdown closes.

it is only happening in version 3.4.5

Steps to reproduce the bug

1. Add the menu to a window
2. Add combox as menu item
3. try to open drop-down of combobox

Expected behavior

the dropdown should stay open until I make a selection.

Screenshots

NuGet package version

HandyControls (Custom version) 3.4.5

IDE

Visual Studio 2022

Framework type

.Net 6.0

Windows version

Windows 11 (22621)

Additional context

No response

[ghost1372]

report it in original repo