[Feature Request]: Add a description icon to the pipeline and workflow properties.

### What would you like to happen?

The idea would be to use the same icon for each transformation that has a description. This makes it easier to visually identify whether the pipeline or workflow has a description of its functionality.

Workflow or pipeline

### Issue Priority

Priority: 3

### Issue Component

Component: Hop Gui

Start in the Hop GUI code for pipeline and workflow properties, and inspect how transformations with descriptions currently display their icon. Add the same visual indicator for pipelines and workflows when a description exists, then verify that it is absent when no description is present.

Written by the indexing model from the issue text.