wxGUI: Reorganization of Console panel

[lindakarlovska]

Is your feature request related to a problem? Please describe. The console deserves a better visual separation of Console output and Command prompt functionality. It is not clear which buttons belong to the Command prompt and which to the Output window. Moreover, in the Single-Window GUI layout, the widget with buttons managing the Command prompt is partly hidden after the GRASS launch (a user has to manually stretch the Console panel)

How it currently looks like in Single-Window GUI:

Describe the solution you'd like The suggestion copies @baharmon 's email feedback - thanks Brendan for it! :-) The specs of GUI implementation itself will be further iterated in this Issue.

The suggestion:

• separating Console output and Command prompt functionality as shown below by putting the respective buttons below each widget

Other ideas:

• add something like blinking "..." or ">>>" to the prompt to encourage users to type there