Resolving some issues around rendering pagination loading on resource list pages

[codyrancher]

Summary

It wasn't readily apparent what the expected behavior was around things like alt-loading and the manual refresh so I did what made sense to me. See the video to see if it's what we want or if adjustments need to be made.

fixes #12748

Occurred changes and/or fixed issues

We no longer flicker the no-rows messaging when first loading one of the server-side pagination pages.

Areas or cases that should be tested

SSP and non-SSP resource list pages.

I think that this should be manually tested, it seems a little difficult to test given the nature of network latency and debouncing we have.

Screenshot/Video

The behavior seen in this video has changed some since the latest rebase. https://github.com/rancher/dashboard/pull/12884/files#diff-16199a1483a9651b7f40bfcb61ed890469ea35d889aee82b0f50b95d2ed2057eR506-R510 Causes the refresh button to no longer trigger the altLoading overlay/opacity. This appears to be intended but maybe we'll want to update it because the lack of feedback makes me think nothing is happening.

list-loading.mp4

Checklist

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[richard-cox]

Little bit nervous getting this one in before the two big PRs, can we wait for them or base this on on top of the later?

[codyrancher]

Little bit nervous getting this one in before the two big PRs, can we wait for them or base this on on top of the later?

Yeah, I'm in favor of waiting until after they're merged.

[richard-cox]

There's some good fixes in here, just a couple of inline comments.

Validated / Tested

• SSP Enabled
  • initial nav to page
  • refresh button on page
  • changing sort / filer
  • Generic / Custom lists
• SSP Disabled
  • no perf settings
  • manual refresh
  • incremental loading