Mapentity

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- Fix of the widget `SelectMultipleWithPop` which did not add the newly created element in the related list (1299)
- Add `MAX_CHARACTERS_BY_FIELD` to control the max length of a rich text field.
- Deprecate the `MAX_CHARACTERS` parameter

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**Bug fixes**

- Support sub languages (see https://github.com/GeotrekCE/Geotrek-admin/issues/3801)

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**Bug fixes**

- Fix new authentication system

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**Feature**

- Modify TinyMCE configuration to add browser spelling check for textAreas (related to https://github.com/GeotrekCE/Geotrek-admin/issues/1189)

**Maintenance**

- Support django 4.2 and python 3.11
- Drop django 3.1 support

**Documentation**

- Ease quickstart for developers

**Minor fixes**

- Improve authentication mechanism for screamshotter and convertit

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**Bug fixes**

- Fix Control Information error and revert code (272)

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**DO NOT USE IT**

**Bug fixes**

- Fix hidden base layer attributions (271)