Connection timeout error overlaps bounds of favorites box

## What did you do?

Attempted to connect to a favorite.

## What did you expect to happen?

If there was a connection timeout, the error should fix in the box or the box should expand.

## What actually happened?

The box didn't expand:

## What software versions are you using?

Postico version: Version 1.3.2 (2318)

macOS version: 10.13.3 (17D102)

Reproduce the issue by connecting to a favorite and triggering a connection timeout on the listed Postico and macOS versions. Inspect the favorites box and its timeout error presentation; done means the error remains within the box or the box expands to display it fully.

Written by the indexing model from the issue text.