Metric Keyresult unit dropdown doesnt pop up

[nevio18324]

Describe the bug
Currently the dropdown only shows option that

1. Aren't selected
2. Contain all letters in the textfield

To Reproduce
Steps to reproduce the behavior:

1. Open metric keyresult form
2. Click on textfield

Expected behavior
In the same form is the owner textfield/select that has the exact same behavior we want to have for the unit. See the video

Screenshots
https://github.com/user-attachments/assets/41f46158-0de1-47d0-b1af-bab5efcea5dd

System (please complete the following information):

• Pop!_OS 22.04
• Firefox
• 136

Additional context
None