#271 Identifier non editable

* sets the identifier form field as readonly
* extends help text
* updates translations

intervention/forms/intervention.py

@@ -29,11 +29,12 @@ class NewInterventionForm(BaseForm):
         label=_("Identifier"),
         label_suffix="",
         max_length=255,
-        help_text=_("Generated automatically"),
+        help_text=_("Generated automatically - not editable"),
         widget=GenerateInput(
             attrs={
                 "class": "form-control",
                 "url": reverse_lazy("intervention:new-id"),
+                "readonly": True,
             }
         )
     )