refactor: Async store util

[pan-kot]

Description

Addressing feedback from https://github.com/cloudscape-design/components/pull/1240.

Usage examples:

• https://github.com/cloudscape-design/components/pull/1359
• https://github.com/cloudscape-design/components/pull/1402

How has this been tested?

Reworked unit tests for better structure.

Added an integration test.

Tested with React 16, 17, 18.

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

---

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.02% :tada:

Comparison is base (f7f381b) 93.89% compared to head (d33ba0d) 93.91%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1246      +/-   ##
==========================================
+ Coverage   93.89%   93.91%   +0.02%     
==========================================
  Files         642      642              
  Lines       17259    17259              
  Branches     5675     5675              
==========================================
+ Hits        16205    16209       +4     
+ Misses        982      978       -4     
  Partials       72       72              

Files Changed	Coverage Δ
src/area-chart/chart-container.tsx	93.10% <ø> (ø)
src/area-chart/elements/area-chart-legend.tsx	100.00% <ø> (ø)
src/area-chart/elements/data-series.tsx	100.00% <ø> (ø)
src/area-chart/elements/highlighted-point.tsx	100.00% <ø> (ø)
src/area-chart/elements/use-highlight-details.ts	100.00% <ø> (ø)
src/area-chart/elements/vertical-marker.tsx	100.00% <ø> (ø)
src/table/sticky-columns/use-sticky-columns.ts	100.00% <ø> (ø)
src/area-chart/model/interactions-store.ts	77.14% <100.00%> (ø)
src/area-chart/model/use-chart-model.ts	86.06% <100.00%> (ø)
src/internal/async-store/index.ts	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.