Make quickstart functionality available outside cards

[Gkrumbach07]

https://issues.redhat.com/browse/RHOAIENG-20532

Description

This PR adds a useQuickStart hook that extracts the quickstart launch functionality from cards into a reusable hook. This allows any component to trigger quickstarts without being tied to card components.

Key changes:

• Adds new useQuickStart hook that provides:
  • launchQuickStart method to trigger quickstarts
  • Access to quickstart context values
• Uses existing launchQuickStartUtil under the hood
• Small, focused change to improve reusability
• No changes to existing quickstart behavior

How Has This Been Tested?

1. Go to any component that needs quickstart functionality
2. Add the hook:

   const { launchQuickStart } = useQuickStart();

3. Add a trigger (e.g. button):

   <Button onClick={() => launchQuickStart('create-jupyter-notebook')}>
     Launch Tutorial
   </Button>

4. Verify the quickstart launches and works as expected
5. Verify it works the same as the existing card-based quickstart launches

Test Impact

none, just extracts functionality into hook

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit or cypress tests for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change.

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 84.66%. Comparing base (7a07b89) to head (a42c35f).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
frontend/src/utilities/useQuickStart.ts	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3804      +/-   ##
==========================================
+ Coverage   84.62%   84.66%   +0.04%     
==========================================
  Files        1517     1518       +1     
  Lines       35128    35140      +12     
  Branches     9829     9836       +7     
==========================================
+ Hits        29728    29753      +25     
+ Misses       5400     5387      -13     

Files with missing lines	Coverage Δ
frontend/src/utilities/useQuickStart.ts	0.00% <0.00%> (ø)

... and 14 files with indirect coverage changes

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[dpanshug]

/lgtm

[Gkrumbach07]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dpanshug, Gkrumbach07

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Needs approval from an approver in each of these files:

• frontend/OWNERS [Gkrumbach07]

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