feat(organisation): add approved filter to fetch all organisations

src/backend/app/db/models.py

@@ -366,7 +366,7 @@ async def one(cls, db: Connection, org_identifier: int | str) -> Self:
 
     @classmethod
     async def all(
-        cls, db: Connection, current_user_id: int = 0
+        cls, db: Connection, current_user_id: int = 0, approved: Optional[bool] = True
     ) -> Optional[list[Self]]:
         """Fetch all organisations.
 
@@ -384,11 +384,12 @@ async def all(
                         THEN TRUE
                     ELSE approved
                 END = TRUE
+                AND approved = %(approved)s
             ORDER BY created_at DESC;
         """
 
         async with db.cursor(row_factory=class_row(cls)) as cur:
-            await cur.execute(sql, {"user_id": current_user_id})
+            await cur.execute(sql, {"user_id": current_user_id, "approved": approved})
             return await cur.fetchall()
 
     @classmethod