feature request #8089
improve abcd preference page
copied from #7849:
- Nomenclatural Code is missing a label there.
- The "New Provider" field is missing a label, e.g. "New provider".
- Adding a provider leads to an empty line in the first text field if it was the first provider.
- The new provider should be in the first line in this case.
- No URL check is done, you can also enter "aaa".
- The list field is to small (height) if > 1 providers are entered
- "Add provider" button should be disabled if "New provider" text field is empty
- "Remove provider" should be disabled if no provider is selected in provider list
- Implement as local preference