Categories

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Add categories filters to all lists:

• [x] custom areas
• [x] templates
• [x] pages
• [ ] assets
• [x] robots
• [x] models
• [x] menus

categories list add here

• [x] 0 if empty

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Change category settings to all objects

• [ ] templates

• [x] pages

• [ ] assets

• [ ] robots

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• [x] show all templates

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• [ ] categories filters for export

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• [ ] categories filters for export

• [x] mark current category

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• [x] error when search