Update screenshots-and-videos.md (#1469)
Update screenshots-and-videos.md (#1469)

* Update screenshots-and-videos.md

Add a note about how the `videoUploadOnPasses` option can be used to avoid processing and uploading videos in the case that all tests pass.

Partially addresses https://github.com/cypress-io/cypress/issues/2217, https://github.com/cypress-io/cypress/issues/2522

* Update screenshots-and-videos.md

Remove autoformatter-caused changes

* Update to clarify that videos process per spec file run

- '+' to 'and'


Co-authored-by: Jennifer Shehane <b76474446821c6f7360e4eee990dc1f8d635e16a@gmail.com>
cypress-io/cypress-documentation,cypress-io/cypress-documentation