Folksonomy Engine: don't suggest a property already used

[CharlesNepote]

What

• When adding a new property, the current UI suggest properties that are already used for the product. It shouldn't.

Code pointers

You can find some code pointers here. If some are missing, feel free to add them yourself in this file, or to ask them.

• https://github.com/openfoodfacts/openfoodfacts-server/blob/main/templates/web/common/includes/folksonomy_script.tt.html
• https://github.com/openfoodfacts/openfoodfacts-server/blob/main/html/js/folksonomy.js

Part of

• 7525

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This issue is stale because it has been open 90 days with no activity.