MWPW-206405 Title added to Banner / Blade Template

[Blainegunn]

Resolves https://jira.corp.adobe.com/browse/MWPW-206405
QA Checklist: https://wiki.corp.adobe.com/display/adobedotcom/M@S+Engineering+QA+Use+Cases

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Commits

• f234938 ✅ (latest)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.74%. Comparing base (6729934) to head (f234938).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1209      +/-   ##
==========================================
- Coverage   90.76%   90.74%   -0.03%     
==========================================
  Files         318      318              
  Lines      101699   101701       +2     
==========================================
- Hits        92304    92284      -20     
- Misses       9395     9417      +22     

Files with missing lines	Coverage Δ
web-components/src/variants/banner-blade.js	100.00% <100.00%> (ø)

... and 8 files with indirect coverage changes

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[Roycethan]

@Blainegunn A dedicated test would be great to add for Title field in banner template
else LGTM

[Axelcureno]

marquee.js:8 does the identical thing with tag: 'p', and both are in HEADLESS_FAMILY_VARIANTS. Any reason banner-blade uses h3? The family CSS neutralizes heading typography either way, so it's just the DOM semantics that differ.

On Reuben's test ask: merch-card.marquee-faq-banner-blade.test.js:115 already has the rows map, just needs 'heading-xs': 'Title'. Its name says "a slot for each mapped field" but it now covers 2 of 3.