[Bug]: --disable-blink-features=AutomationControlled dont work on new versions

[JustRomanBZK]

Checklist before reporting

• I have searched for similar issues and didn't find a duplicate.
• I have updated to the latest version of Patchright to verify the issue still exists.
• I have verified that this issue does not occur when using Playwright directly.

Patchright Version

1.58.1

Operating System

Windows

Bug Description

--disable-blink-features=AutomationControlled
Should be set by default

Test file (self-contained)

Code:

if __name__ == '__main__':
    with sync_playwright() as p:
        launch_kwargs = {
            "headless": False,
             "args": [
            #"--disable-blink-features=AutomationControlled",
        ],
        }

        browser = p.chromium.launch(**launch_kwargs)
        context = browser.new_context()
        page = context.new_page()
        page.goto("https://bot.sannysoft.com/")
        print(page.title())
        page.wait_for_timeout(30000)
        browser.close()

Result:

With enabled arg:

Expected Behavior

No response

Actual Behavior

No response