Inkscape (master) cannot cycle through dropdown items (using scrollwheel) with dropdown closed
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#### Summary:
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Inkscape (master) cannot cycle through dropdown items with dropdown closed (using the scrollwheel). It works with the keyboard in the latest builds.
| 1.4 | master |
| ------ | ------ |
|  |  |
#### Steps to reproduce:
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- open Inkscape
- open Fill and Stroke dialog
- click on the blend mode dropdown
- click one of the blend modes
- press up/down arrow keys
#### What happened?
The focus went to the blur spinner.
#### What should have happened?
The blend mode is cycled.
#### Version info
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```
Inkscape 1.5-dev (5eccefde37, 2025-03-07, custom)
Compile (Run)
GLib version: 2.82.5
GTK version: 4.16.12 (4.16.12)
glibmm version: 2.82.0
gtkmm version: 4.16.0
libxml2 version: 2.13.6
libxslt version: 1.1.42
Cairo version: 1.18.2 (1.18.2)
Pango version: 1.56.1 (1.56.1)
HarfBuzz version: 10.4.0 (10.4.0)
Poppler version: 25.03.0
OS version: Slackware 15.0 x86_64 (post 15.0 -current)
```
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issue