Refactor saved query request to not set page size of 10000

[lukasolson]

Summary

Part of #93770.

Refactors the saved query service to not send a "perPage" of 10000. Instead, it uses the core paginate service to paginate through the result set.

Checklist

Delete any items that are not applicable to this PR.

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios
• Any UI touched in this PR is usable by keyboard only (learn more about keyboard accessibility)
• Any UI touched in this PR does not create any new axe failures (run axe in browser: FF, Chrome)
• If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the docker list
• This renders correctly on smaller devices using a responsive layout. (You can test this in your browser)
• This was checked for cross-browser compatibility

Risk Matrix

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Before closing this PR, invite QA, stakeholders, and other developers to identify risks that should be tested prior to the change/feature release.

When forming the risk matrix, consider some of the following examples and how they may potentially impact the change:

Risk	Probability	Severity	Mitigation/Notes
Multiple Spaces—unexpected behavior in non-default Kibana Space.	Low	High	Integration tests will verify that all features are still supported in non-default Kibana Space and when user switches between spaces.
Multiple nodes—Elasticsearch polling might have race conditions when multiple Kibana nodes are polling for the same tasks.	High	Low	Tasks are idempotent, so executing them multiple times will not result in logical error, but will degrade performance. To test for this case we add plenty of unit tests around this logic and document manual testing procedure.
Code should gracefully handle cases when feature X or plugin Y are disabled.	Medium	High	Unit tests will verify that any feature flag or plugin combination still results in our service operational.
See more potential risk examples

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[elasticmachine]

Pinging @elastic/kibana-app-services (Team:AppServicesSv)

[kibana-ci]

💛 Build succeeded, but was flaky

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• Commit: bfe7da5
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Test Failures

• [job] [logs] OSS Firefox Tests / console app console app should add comma after previous non empty line on autocomplete

Metrics [docs]

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
data	449.7KB	449.6KB	-38.0B

History

• 💔 Build #20900 failed 5ae3a02

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @lukasolson

[ppisljar]

code LGTM

[kibanamachine]

Friendly reminder: Looks like this PR hasn’t been backported yet.
To create backports run node scripts/backport --pr 124187 or prevent reminders by adding the backport:skip label.

[kibanamachine]

Friendly reminder: Looks like this PR hasn’t been backported yet.
To create backports run node scripts/backport --pr 124187 or prevent reminders by adding the backport:skip label.

[kibanamachine]

Friendly reminder: Looks like this PR hasn’t been backported yet.
To create backports run node scripts/backport --pr 124187 or prevent reminders by adding the backport:skip label.

[kibanamachine]

The following labels were identified as gaps in your version labels and will be added automatically:

• v8.2.0

If any of these should not be on your pull request, please manually remove them.

[kibanamachine]

💔 Some backports could not be created

Status	Branch	Result
✅	8.0
❌	8.2	The branch "8.2" is invalid or doesn't exist

How to fix

Re-run the backport manually:

node scripts/backport --pr 124187

Note: Successful backport PRs will be merged automatically after passing CI.

Questions ?

Please refer to the Backport tool documentation