[RHOAIENG-4996] Show popover help for non-empty pipelines/notebooks cards

[jeff-phillips-18]

Closes: RHOAIENG-4996

Description

Remove the help popovers for the Project overview, workbench and pipeline empty state cards.
Add the help popovers for the Project overview, workbench and pipeline non-empty state cards.

How Has This Been Tested?

Tested against projects with and without workbenches and pipelines

Test Impact

None

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Commits have been squashed into descriptive, self-contained units of work (e.g. 'WIP' and 'Implements feedback' style messages have been removed)
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).

[christianvogt]

/lgtm
/approve

[openshift-ci]

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This pull-request has been approved by: christianvogt

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