test+web: fix test suite and remove redundant privacy checkbox

tests/test_chat_message_flow.py

@@ -7,7 +7,7 @@ from app.chats.models import ChatType
 async def _create_verified_user(client, db_session, email: str, username: str, password: str) -> dict:
     await client.post(
         "/api/v1/auth/register",
-        json={"email": email, "username": username, "password": password},
+        json={"email": email, "name": username, "username": username, "password": password},
     )
     token_row = await db_session.execute(select(EmailVerificationToken).order_by(EmailVerificationToken.id.desc()))
     verify_token = token_row.scalar_one().token