Saved objects management paging fails if paging past 10k saved objects

[rudolf]

When there are more than 10k saved objects, paging past the first 10k results result in the following error:

"all shards failed: search_phase_execution_exception: [illegal_argument_exception] Reason: Result window is too large, from + size must be less than or equal to: [10000] but was [19900]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level setting."

This is because saved objects management doesn't use a PIT/scroll search so results are limited to 10k.

I don't think it makes sense to page through more than 10k results, so I think we should just change the UI to say "only showing the first 10k results" similar to #82889

See related discussion about UI patterns elastic/eui#4506

Related #93505 #91562

[elasticmachine]

Pinging @elastic/kibana-core (Team:Core)

[azasypkin]

Just a few quick additional details, SO grid cannot also display counts of the SO types. The counts request fails because this same reason:

---

Export doesn't seem to work either:

curl 'https://kibana/s/space-a/api/saved_objects/_export' -X POST -H 'Content-Type: application/json' -H 'kbn-version: 7.16.0' --data-raw '{"type":[],"includeReferencesDeep":true}'

{"statusCode":400,"error":"Bad Request","message":"Either `type` or `objects` are required."}