go.Contour doesn't render correctly in animation frames when multiple traces are present

Comienza ejecutando el ejemplo mínimo de Python proporcionado en plotly.py y compara la animación usando únicamente go.Contour con la animación que incluye las trazas adicionales de go.Scatter. Sigue la ruta de animación/renderizado utilizada por Figure y Frame para los datos de contorno; el trabajo estará terminado cuando el contorno se renderice correctamente durante todos los frames cuando haya varias trazas, sin introducir regresiones en el caso de una sola traza.

I'm encountering an issue with plotly.graph_objects.Figure animations. When using go.Contour inside go.Frame along with additional traces such as go.Scatter, the contour plot no longer renders correctly during animation. However, if I only include the go.Contour trace by itself in each frame, it animates perfectly.
Here's a minimal reproducible example:

import plotly.io as pio
pio.renderers.default = 'browser'
import plotly.graph_objects as go
import numpy as np

z_base = np.array([
    [10, 10.625, 12.5, 15.625, 20],
    [5.625, 6.25, 8.125, 11.25, 15.625],
    [2.5, 3.125, 5., 8.125, 12.5],
    [0.625, 1.25, 3.125, 6.25, 10.625],
    [0, 0.625, 2.5, 5.625, 10]
])

lk_x=[0,0,1,1,0]
lk_y=[0,1,1,0,0]

data_line = go.Scatter(x=lk_x, y=lk_y, mode='lines', fill='toself', fillcolor='rgba(60, 53, 48, 0.5)', line_color='black', showlegend=False)

scales = np.linspace(0.2, 1.0, 10)
frames = []
for i, s in enumerate(scales):
    z_scaled = z_base * s
    frames.append(go.Frame(
        data=[
            go.Contour(
                z=z_scaled,
                colorbar=dict(
                    thickness=25,
                    thicknessmode='pixels',
                    len=0.6,
                    lenmode='fraction',
                    outlinewidth=0
                )
                ,zorder=2
            ),
            go.Scatter(
                x=[0, 1, 2, 3, 4],
                y=[0, 1, 1.5, 2, 3], 
                mode='lines',
                line=dict(color='black', width=2),
                showlegend=False,
                zorder=0
            ),
            data_line
        ],
        name=f"scale_{i}"
    ))


fig = go.Figure(
    data=frames[0].data,
    frames=frames
)

fig.update_layout(
    title="Contour",
    updatemenus=[{
        "buttons": [
            {"label": "play", "method": "animate", "args": [None, {"frame": {"duration": 500}, "fromcurrent": True}]},
            {"label": "pause", "method": "animate", "args": [[None], {"mode": "immediate", "frame": {"duration": 0}}]}
        ],
        "type": "buttons",
        "showactive": True,
        "x": 0.1,
        "y": -0.1
    }],
    sliders=[{
        "steps": [{"args": [[f.name]], "label": f"Step {i+1}", "method": "animate"} for i, f in enumerate(frames)],
        "x": 0.1,
        "len": 0.9
    }],
    width=500,
    height=500
)

fig.show()

only include the go.Contour trace：

with additional traces：