Issue with dynamic field size in translation form

[julien-nc]

In the translation form, right after opening the assistant, when selecting a task that has a long input or output, the field's height is not dynamically increased:

I made an ugly attempt to fix that in the fix/noid/translate-fields-size branch, check d2cdb75 .

The result is:

The height can be too big with those changes but at least it's dynamic.