Refactoring table content editor

Making possible to reorder the cells and preview its content, as well as turn its visibility and sorting on/off.

Separate list element and table content edition.

Specs

• Switch from result view to table editor
  • On data table a editor bottom action will allow user to go into the table content editor
• Table content editor
  • Each column is represented by a row that contains
    • drag icon to sort columns
    • field content (aka schema prop)
    • cell content preview (centered)
    • visible by default
    • is_sortable (when selected added the field name to the sort attribute)
  • When a row is selected the right panel will display cell content (element) properties
  • When in the right panel, catalog tab, a field is DnD to main left area a new row will appear in the drop placement with the new field correspondent template.