Make the most use of the tag picker

[teolemon]

What

• A tag picker (that works for taxonomized fields) has been merged. It needs to be made accessible on the product page, for further testing and refinements.
• Make the most use of the tag picker
  

Tasks

• Create a category picker for product editing #516
• Labels input
  • Eco-Score labels input #524
  • A tag picker (that works for labels) by @gspencergoog has been merged. It needs to be made accessible on the product page, for further testing and refinements.
  • 
• Create an abstraction to use it as an origins picker Implement full/guided ingredients origins input (tracker) #517
  • 
• Create an abstraction to use it as a countries picker
• 
• Create a view to edit Stores where the product is sold #1707
  • Blocked on having a taxonomy for that
  • 
• Create an abstraction to use it as a Brands picker
  • Blocked on having a taxonomy for that
  • 
• Create an abstraction to use it as a Traceability Codes picker
  • Blocked on having a taxonomy for that
• Implement guided packaging input (wizard-like) #515
  • A tag picker (that thus works for packaging) by @gspencergoog has been merged. It needs to be made accessible on the product page, for further testing and refinements.
  • 
  • 
• Taxonomized field edition #514
  • A tag picker (that works for taxonomized fields) by @gspencergoog has been merged. It needs to be made accessible on the product page, for further testing and refinements.

Part of

• Contribute (Tracker) #503

[teolemon]

[teolemon]

@monsieurtanuki @stephanegigandet @g123k Derived from a mockup by @greentoff

[teolemon]

Note: there shouldn't be arrows on final leaf categories

[monsieurtanuki]

It does make more sense with the "search" field.
Maybe the title is not correct: "Categories" instead of "Add category" - I'm sure that the end user knows what a checkbox is.
Some of your screenshots are incorrect, when one item is selected on the check list but not visible on top, right?
Still, I don't picture myself the landing page if both "naturalia" and "carrefour bio" are selected.
Perhaps adding a callback when the "carrefour bio" button is clicked, that opens the hierarchy on its parent.

[teolemon]

@monsieurtanuki fixed all of them above based on your input.

• For false/multiple values, we don't have any control mechanism on the web so far. It varies from field to field (Several potential values for Stores, and Several values for brands (eg Milka, Mondelez, or Milka and Oreo (yes))