feat(coachmark): Add default opening for not-stacked coachmarks

[gcattan]

Closes #5709

Add a property to open the coachmark by default.

What did you change?

Add the property isOpenByDefault to the coachmark, which applies in the case the coachmark is not a stacked coachmark.

How did you test and verify your work?

Added two tests to the suite:

1. Test that the coachmark is open if isOpenByDefault is true
2. Test that a stacked coachmark is open, even if isOpenByDefault is false.

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[gcattan]

I have read the DCO document and I hereby sign the DCO.

[gcattan]

I have read the DCO document and I hereby sign the DCO.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.91%. Comparing base (7005822) to head (8b6582b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6516      +/-   ##
==========================================
- Coverage   79.92%   79.91%   -0.01%     
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  Files         394      394              
  Lines       12887    12888       +1     
  Branches     4265     4267       +2     
==========================================
  Hits        10300    10300              
- Misses       2587     2588       +1     

Components	Coverage Δ
ibm-products	∅ <ø> (∅)
ibm-products-web-components	∅ <ø> (∅)

[devadula-nandan]

The implementation looks good. Could you please add a control in the component API section of the documentation to reference this prop?

[gcattan]

@devadula-nandan thanks for the suggestion! 4 workflows are still pending, everything else looks good.

[gcattan]

As agreed in slack this morning with @devadula-nandan the last test probably doesn't make a valid point. Therefore removing it.

In top of it, we discussed the duplicated logic between this "overlayKind=stacked" property and the "CoachmarkStacked".
May be it will make sense to remove the overlayKind logic from the code in a follow-up work.

invalid test cleaned up

[devadula-nandan]

LGTM

[gcattan]

@matthewgallo @AlexanderMelox can we merge this PR?
Also I see that one pipeline is failing, but I cannot see the logs.

[AlexanderMelox]

@gcattan I do not have access to Percy checks neither, we prob have to wait for @matthewgallo or someone can give me access to Percy also

[matthewgallo]

I can take a quick look at Percy

[gcattan]

Thank you! I see that all checks are now passing.

[matthewgallo]

Thanks for contributing @gcattan!

[gcattan]

Thank you all for the review!