Include Pagination for KeyValue

[nathannaveen]

Description of the PR

Included pagination for queries in KeyValue, and fixed the tests.

Part of issue #1525

Same as #1901

PR Checklist

• All commits have a Developer Certificate of Origin (DCO) -- they are generated using -s flag to git commit.
• All new changes are covered by tests
• If GraphQL schema is changed, make generate has been run
• If OpenAPI spec is changed, make generate has been run
• If collectsub protobuf has been changed, make proto has been run
• All CI checks are passing (tests and formatting)
• All dependent PRs have already been merged

[pxp928]

Missing next page check when foundOne is set to true for all the nodes.

[pxp928]

Awesome work!

[mihaimaruseac]

This LGTMs. Adding as a comment instead of approval in case we want other reviewers to also look at it. If not, I can approve.

[pxp928]

This LGTMs. Adding as a comment instead of approval in case we want other reviewers to also look at it. If not, I can approve.

You are good to approve @mihaimaruseac, I just added the others for whoever could review/approve first.

[mihaimaruseac]

Thank you @pxp928 for the thorough review and @nathannaveen for a significant amount of work for this PR

[nathannaveen]

Thank you @mihaimaruseac!