Fixes for ai Tool

Wax #111 (closed) for feature in Ketty: ketty/ketty#853

In this MR:

• solved the Enter>reload problem
• the settings now are buttons at the top
• change the font family and size
• changed the tabs ui
• the height and width has been increased (maxwidth: 95% of editor, maxHeight(for result pane): 500px, minHeight(for result pane): 200px)
• the wizard remains active after insertion
• we can edit the results