I agree that this would make a big difference to the UI, throughout Wappler. However, I imagine it can’t be a small change. While it’s been requested - and tweaked - several times, it’s never really been resolved.
Requests for this have been made more or less since Wappler was released, eg:
Expandable input fields in the elements properties (2018)
UI issue: difficulty using Actions panel (2018)
Increase properties field width (2019)
Server Connect properties width (2019)
etc…
Some of these requests were closed (prematurely), which I suppose made it less likely for the issue to be revisited. It may be that the issue has not been understood/appreciated, but perhaps it’s more likely that it’s very difficult to resolve in a satisfactory way.