Add promo to CdrUserPreview for new column on Siarnaq's table (#823)

In the data table in Siarnaq (on the left panel of the admin page), we
should add a 5th column to indicate the promo, which is crucial yet
missing information, according to some feedback.

Author: Marc-Andrieu

app/modules/cdr/endpoints_cdr.py

@@ -145,7 +145,7 @@ async def get_cdr_users_pending_validation(
     }
 
     return [
-        schemas_cdr.CdrUser(
+        schemas_cdr.CdrUserPreview(
             account_type=user.account_type,
             school_id=user.school_id,
             curriculum=schemas_cdr.CurriculumComplete(
@@ -155,10 +155,6 @@ async def get_cdr_users_pending_validation(
             if user.id in curriculum_memberships_mapping
             else None,
             promo=user.promo,
-            email=user.email,
-            birthday=user.birthday,
-            phone=user.phone,
-            floor=user.floor,
             id=user.id,
             name=user.name,
             firstname=user.firstname,

app/modules/cdr/schemas_cdr.py

@@ -38,10 +38,10 @@ class CurriculumComplete(CurriculumBase):
 
 class CdrUserPreview(CoreUserSimple):
     curriculum: CurriculumComplete | None = None
+    promo: int | None = None
 
 
 class CdrUser(CdrUserPreview):
-    promo: int | None = None
     email: str
     birthday: date | None = None
     phone: str | None = None