Pin settings dropdown is too narrow in German

[neilenns]

Describe the bug

The pin settings dropdown is too narrow when the language is set to German

Steps To Reproduce
Steps to reproduce the behavior:

1. Set MobiFlight's langage to German
2. Go to the MobiFlight Modules dialog
3. Add a new LED/Output
4. Open the dropdown for the pin and scroll down to the analog pins

Expected behavior
You can see all the pin names

Actual behavior
The A10-115 pin labels are cut off