wait_for_file not working with .part files on Firefox.

[lf2a]

Describe the bug
It is not waiting for the download to finish because there is no 100MB.bin.part file, Firefox creates a 100MB.<hash>.bin.part file

botcity-framework-web-python/botcity/web/bot.py

Line 2001 in b62372c

if self.browser == Browser.FIREFOX and os.path.exists(path + '.part'):

Expected behavior
Wait for the download to finish and the .part file to be deleted.

Steps to Reproduce

from botcity.web import WebBot, Browser, By, browsers
from webdriver_manager.firefox import GeckoDriverManager


web = WebBot()
web.driver_path = GeckoDriverManager().install()
web.browser = Browser.FIREFOX
web.headless = False

web.browse("https://speed.hetzner.de/")
element = web.find_element(by=By.XPATH, selector="/html/body/p[1]/a")
element.click()

self.wait(2_000)

if not web.wait_for_file('/home/luiz/Downloads/100MB.bin', 5_000):
    print('tiemout')

Possible Solution
It could be checked if the file has more than 0 bytes.

My Platform
* OS Version: Ubuntu 20.04.4 LTS
* Python Version: Python 3.8.10
* Packages Version:

botcity-framework-core>=0.2.9
botcity-framework-web>=0.5.2
botcity-maestro-sdk>=0.1.5
webdriver-manager==3.5.4