CI presettings: part 1 - set page.viewPort && export visual regressions...

CI presettings: part 1 - set page.viewPort && export visual regressions testing media files (#11422)

* add viewPort to page.js

* clone and import media and visual regressions files to the right directories

* change repo link to official bbb-ci-test-resources.git

* remove execution of import-tests-ci-resources.sh from tests/puppeteer/run.sh

* updates the import directory of the ci testing files

* correct imported repo folder name