[Discover] Migrate Discover Table and Discover Saved Search to use EUIDataGrid component

[rayafratkina]

In this issue we will track remaining work to migrate Discover to use EUIDataGrid component

PR in progress: #51531

Remaining tasks

• Integrate EUIDataGrid into Discover [Discover] EuiDataGrid Implementation #67259 (Follow up of Integrating EuiDataGrid into Discover #51531)
• Migrate saved search on dashboard to use EUIDataGrid
  User should be able to save the search in Discover and see it on the Dashboard in the same layout. [Discover] EuiDataGrid Implementation #67259
• Flag to enable/disable should be in place (not in advanced settings) Feature flag to EuiDataGrid in Discover #60031
• Telemetry: what do we have? what do we need? - iterate on the requirements in the issue [Discover] User interactions telemetry for Discover #58747
• Performance testing plan

cc @kertal

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)

[kertal]

Closing this, since all tasks are done.
Delta:

• we won't need a flag outside advanced settings.
• we won't need migration for saved searches
• performance testing is currently in the works and last tests when EuiDataGrid merges virtualization looks promising. thinking of adding some details about the performance to the issue that will set EuiDataGrid to be the default selection [Discover] Enable EuiDataGrid as default document table  #89264

[kertal]

now closing