Error in reindex_deprecation_flyout test

[cjcenizal]

When I run this test locally I see an error in the output. Looks like the error might be due to something in the implementation. If that's the case then this could indicate a bug. Either way, I think this is worth addressing.

 PASS  x-pack/plugins/upgrade_assistant/__jest__/client_integration/es_deprecations/reindex_deprecation_flyout.test.ts (129.66 s)
  ● Console

    console.error
      Warning: validateDOMNesting(...): <div> cannot appear as a descendant of <p>.
          in div (created by EuiFlexItem)
          in EuiFlexItem (created by ReindexProgress)
          in div (created by EuiFlexGroup)
          in EuiFlexGroup (created by ReindexProgress)
          in p (created by Step)
          in div (created by Step)
          in Step (created by StepProgress)
          in div (created by StepProgress)
          in StepProgress (created by ReindexProgress)
          in ReindexProgress (created by ChecklistFlyoutStep)
          in div (created by EuiFlyoutBody)
          in div (created by EuiFlyoutBody)
          in div (created by EuiFlyoutBody)
          in EuiFlyoutBody (created by ChecklistFlyoutStep)
          in ChecklistFlyoutStep (created by ReindexFlyout)
          in ReindexFlyout (created by GlobalFlyoutProvider)
          in div (created by EuiFlyout)
          in EuiFlyout (created by GlobalFlyoutProvider)
          in GlobalFlyoutProvider
          in AppContextProvider
          in Unknown (created by Component)
          in Component (created by Context.Consumer)
          in withRouter(Component) (created by Context.Consumer)
          in Route
          in Unknown
          in Router (created by MemoryRouter)
          in MemoryRouter
          in Unknown (created by WrapperComponent)
          in WrapperComponent

[elasticmachine]

Pinging @elastic/kibana-stack-management (Team:Stack Management)

[sabarasaba]

Fixed with #115183