Temporary workaround: use a large pageSize when fetching performance artifacts without pagination

[mturley]

Description

We need to add proper cursor-based pagination ("load more" button) when fetching performance artifacts. As a temporary workaround, this PR adds an arbitrarily large number so we will fetch all artifacts if there are more than 20 (but less than 100,000).

How Has This Been Tested?

Make sure params are sent to the API correctly. The pageSize param was already implemented but not unused.

Merge criteria:

• All the commits have been signed-off (To pass the DCO check)

• The commits have meaningful messages
• Automated tests are provided as part of the PR for major new functionalities; testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work.
• Code changes follow the kubeflow contribution guidelines.
• For first time contributors: Please reach out to the Reviewers to ensure all tests are being run, ensuring the label ok-to-test has been added to the PR.

If you have UI changes

• The developer has added tests or explained why testing cannot be added.
• Included any necessary screenshots or gifs if it was a UI change.
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[manaswinidas]

can we add a TODO - once this is added this is good to merge

[manaswinidas]

/lgtm
/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: manaswinidas

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