Error while updating property 'accessibilityLabel' of a view managed by : RNCMaskedView

## Environment

Expo SDK 55, latest masked-view

## Description

`accessibilityLabel={children}` on MaskedView occasionally causes error updating `accessibilityLabel` issue.

Debug Logs:

```
Caused by: java.lang.ClassCastException: com.facebook.react.bridge.ReadableNativeArray cannot be cast to java.lang.String
at com.facebook.react.uimanager.ViewManagersPropertyCache$StringPropSetter.getValueOrDefault(ViewManagerPropertyCache.java:291)
at com.facebook.react.uimanager.ViewManagersPropertyCache$PropSetter.updateViewProp(ViewManagersPropertyCache.java:86)
```

## Reproducible Demo

```ts

{children}

}>

{/* Invisible placeholder to size the gradient */}

{children}

{/* Glimmer / shimmer overlay — rendered unconditionally;
the animation starts via useAnimatedReaction. */}
{selectedGradient.glimmer && animationType === 'gradient' && (

)}


```

Here's a video of what happens:

https://github.com/user-attachments/assets/eb473d04-4ccc-48a9-ace8-86aeeddcb794