✨(backend) the LanguagePicker now uses config as options

- config endpoint languages are used as available options for LanguagePicker
- updating the language from it, triggers an update on the user via API

src/backend/core/tests/test_api_config.py

@@ -39,7 +39,11 @@ def test_api_config(is_authenticated):
         "CRISP_WEBSITE_ID": "123",
         "ENVIRONMENT": "test",
         "FRONTEND_THEME": "test-theme",
-        "LANGUAGES": [["en-us", "English"], ["fr-fr", "French"], ["de-de", "German"]],
+        "LANGUAGES": [
+            ["en-us", "English"],
+            ["fr-fr", "Français"],
+            ["de-de", "Deutsch"],
+        ],
         "LANGUAGE_CODE": "en-us",
         "MEDIA_BASE_URL": "http://testserver/",
         "POSTHOG_KEY": {"id": "132456", "host": "https://eu.i.posthog-test.com"},

src/backend/impress/settings.py

@@ -221,7 +221,9 @@ class Base(Configuration):
 
     # Languages
     LANGUAGE_CODE = values.Value("en-us")
-    LANGUAGE_COOKIE_NAME = "docs_language"  # cookie & language is set from frontend
+    # cookie & language is set from frontend
+    LANGUAGE_COOKIE_NAME = "docs_language"
+    LANGUAGE_COOKIE_PATH = "/"
 
     DRF_NESTED_MULTIPART_PARSER = {
         # output of parser is converted to querydict
@@ -233,9 +235,9 @@ class Base(Configuration):
     # fallback/default languages throughout the app.
     LANGUAGES = values.SingleNestedTupleValue(
         (
-            ("en-us", _("English")),
-            ("fr-fr", _("French")),
-            ("de-de", _("German")),
+            ("en-us", "English"),
+            ("fr-fr", "Français"),
+            ("de-de", "Deutsch"),
         )
     )