Add queues and streams page and test suite (backport #13787)

[mergify]

Proposed Changes

Add queues and Streams page objects and a selenium test suite. This PR is needed in order to complete another PR in Tanzu.

This PR is based on the branch of another PR which has to be merged first. #13752

Types of Changes

What types of changes does your code introduce to this project?
Put an x in the boxes that apply

• Bug fix (non-breaking change which fixes issue #NNNN)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause an observable behavior change in existing systems)
• Documentation improvements (corrections, new content, etc)
• Cosmetic change (whitespace, formatting, etc)
• Build system and/or CI

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This is an automatic backport of pull request #13787 done by [Mergify](https://mergify.com).