Describe the Bug
When using the screenshot@fullPage option in crawl API, the screenshot output is not proper. The screenshot seems to be very long with either a huge empty space or repeated content in the end.

To Reproduce
Steps to reproduce the issue:

1. Configure the environment or settings with running firecrawl on cloud
2. Run the command

    crawl_status = app.crawl_url(
      url, 
      params={
        'limit': 1, 
        'scrapeOptions': {'formats': ['markdown', 'screenshot@fullPage']}
      },
      poll_interval = 30
    )

3. Observe the screenshot at the screenshot param

Expected Behavior
The screenshot created should be upto the footer

Screenshots
Attached is screenshot of firecrawl.dev

Environment (please complete the following information):

• OS: macOS
• Firecrawl Version: 1.4.0

Logs
If applicable, include detailed logs to help understand the problem.

Additional Context
Add any other context about the problem here, such as configuration specifics, network conditions, data volumes, etc.