[Bug]: edit_image() is unable to find any media content.

### File Name

vision/getting-started/imagen3_editing.ipynb

### What happened?

built-in function edit_image() is unable to find any media content.
code:
```
edited_image = client.models.edit_image(
model=edit_model,
prompt=edit_prompt,
reference_images=[raw_ref_image, mask_ref_image],
config=EditImageConfig(
edit_mode="EDIT_MODE_INPAINT_INSERTION",
number_of_images=1,
safety_filter_level="BLOCK_LOW_AND_ABOVE",
person_generation="DONT_ALLOW",
),
)
```

### Relevant log output

```shell
code:

edited_image = client.models.edit_image(
model=edit_model,
prompt=edit_prompt,
reference_images=[raw_ref_image, mask_ref_image],
config=EditImageConfig(
edit_mode="EDIT_MODE_INPAINT_INSERTION",
number_of_images=1,
safety_filter_level="BLOCK_LOW_AND_ABOVE",
person_generation="DONT_ALLOW",
),
)

output:

ClientError: 400 INVALID_ARGUMENT. {'error': {'code': 400, 'message': 'Image editing failed with the following error: No uri or raw bytes are provided in media content.', 'status': 'INVALID_ARGUMENT'}}
```

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