use usePreinstalledWDA and prebuiltWDAPath with prebuilt module #1140
Description
Apply similar changes in appium/ruby_lib_core#625 to this repository
- Apply the same environment variable change in https://github.com/appium/python-client/blob/master/.github/workflows/functional-test.yml
- Apply the same capabilities to https://github.com/appium/python-client/blob/master/test/functional/ios/helper/desired_capabilities.py#L27-L41