I think this is general issue which has been raised a few times (eg here and here). It’s one of those requests which might be best combined with other threads to get a better idea of the interest (both of the linked threads have a number of votes).
While it applies to Server Connect - as in the screenshot above - I think it equally applies to App Connect. Below are some examples where parameters/values etc. can’t be viewed without clicking into the field and moving the cursor, or copy/pasting the contents into a text editor (which is what I often do).
I’m sure this is not an easy issue to resolve, given it has to accommodate small screen sizes etc… Perhaps it would not be so difficult to add a hover feature to display all of the text where it’s otherwise hidden. This would be very helpful.
App Connect - field width examples, where contents is not fully visible:
