[Multiple Datasource]set fixed totalcount number for empty state

[yujin-emma]

Description

Set the total count as 0 in empty state component instead of using extra props

Issues Resolved

#6562

Screenshot

Testing the changes

DataSourceAggregatedView - List active

DataSourceAggregatedView - List all

DataSourceView

DataSourceSelectable

DataSourceMultiSelect

Changelog

• fix: Set fixed totalcount number for empty state

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[github-actions]

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[github-actions]

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[yujin-emma]

src/plugins/dashboard/public/application/components/dashboard_listing/dashboard_listing.test.tsx
Debugger listening on ws://127.0.0.1:53952/1c73741b-e44c-4e40-ac64-d42d9daa95b5
For help, see: https://nodejs.org/en/docs/inspector
Debugger attached.
yarn run v1.22.19
$ scripts/use_node scripts/jest src/plugins/dashboard/public/application/components/dashboard_listing/dashboard_listing.test.tsx
Debugger listening on ws://127.0.0.1:53233/ec901f83-7176-4fe9-9533-162727657736
For help, see: https://nodejs.org/en/docs/inspector
Debugger attached.
ciGroups []
jest-haste-map: duplicate manual mock found: index
  The following files share their name; please delete one of them:
    * <rootDir>/src/plugins/vis_type_vega/public/expressions/__mocks__/index.ts
    * <rootDir>/src/core/server/saved_objects/import/__mocks__/index.ts

 PASS  src/plugins/dashboard/public/application/components/dashboard_listing/dashboard_listing.test.tsx (5.455 s)
  dashboard listing
    ✓ renders table rows (141 ms)
    ✓ renders call to action when no dashboards exist (23 ms)
    ✓ hideWriteControls (47 ms)
    ✓ renders warning when listingLimit is exceeded (63 ms)
    ✓ render table listing with initial filters from URL (51 ms)

Test Suites: 1 passed, 1 total
Tests:       5 passed, 5 total
Snapshots:   5 passed, 5 total
Time:        6.103 s

ciGroup3 failure is not related to code change in this PR