Image Editor is not available in Content edition.

Steps:

1. Install Ibexa 3.3 Content.
2. Add an image.
3. Edit the image.
4. Try to access Image editor.

Actual result: Feature is not available.
Expected result: According to Product Board this feature should be present in 3 out of 4 editions.

Remarks: https://ibexa.productboard.com/roadmap/148711-ez-platform-roadmap