[E2E] Fix for failures for upload_new_file_in_web_ide_spec in staging

What does this MR do and why?

Unable to find the css selector upload so adding more wait time to fetch that

• Fix for #422023 (closed) and #415719 (closed)

How to set up and validate locally

run:

bundle exec rspec --tag quarantine ./qa/specs/features/browser_ui/3_create/web_ide/upload_new_file_in_web_ide_spec.rb

MR acceptance checklist

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• I have evaluated the MR acceptance checklist for this MR.