fixup! chore(core): limit device label limit to 16 characters

Author: romanz

tests/device_tests/test_msg_applysettings.py

@@ -485,14 +485,14 @@ def experimental_call():
 def test_label_too_long(session: Session):
     with pytest.raises(exceptions.TrezorFailure), session.test_ctx as client:
         client.set_expected_responses([messages.Failure])
-        device.apply_settings(session, label="A" * 33)
+        device.apply_settings(session, label="A" * 17)
 
 
 @pytest.mark.setup_client(pin=None)
 @pytest.mark.parametrize(
     "label",
-    ["", "A" * 32],
-    ids=["empty", "max_len"],
+    ["", "A" * 16, "á" * 16],
+    ids=["empty", "max_len", "max_len_non_ascii"],
 )
 def test_set_label(session: Session, label: str):
     with session.test_ctx: