CIF-1630 - Configurable header tag for teaser and carousel components

[cjelger]

Similar to the Title component from the WCM components, this PR makes it possible to configure the HTML tag for the title element of the ProductCarousel, RelatedProducts, and FeaturedCategoryList components. Note that we do not need this for the CommerceTeaser because this feature already exists in the WCM Teaser parent component.

This PR makes it possible to:

• configure the list of allowed HTML elements and the default tag in the template/component policy
• configure the tag in the components dialog

To avoid duplicating the dialog part for the cq:design_dialog configuration, the PR adds a generic field element at apps/core/cif/components/authoring/dialog/titletypetab/titletypes similar to what is being done for the styletab field.

Related PR

adobe/aem-cif-guides-venia#66

How Has This Been Tested?

Extended unit tests.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes and the overall coverage did not decrease.
• All unit tests pass on CircleCi.
• I ran all tests locally and they pass.

[codecov]

Codecov Report

Merging #410 into master will decrease coverage by 0.00%.
The diff coverage is 80.00%.

@@             Coverage Diff              @@
##             master     #410      +/-   ##
============================================
- Coverage     86.28%   86.27%   -0.01%     
- Complexity      950      954       +4     
============================================
  Files           198      199       +1     
  Lines          5053     5058       +5     
  Branches        729      729              
============================================
+ Hits           4360     4364       +4     
- Misses          551      552       +1     
  Partials        142      142              

Flag	Coverage Δ	Complexity Δ
#integration	67.32% <80.00%> (+0.02%)	695.00 <4.00> (+4.00)
#jest	82.32% <ø> (ø)	0.00 <ø> (ø)
#karma	94.24% <ø> (ø)	0.00 <ø> (ø)
#unittests	86.28% <80.00%> (-0.02%)	923.00 <4.00> (+4.00)	⬇️

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Impacted Files	Coverage Δ	Complexity Δ
...s/internal/models/v1/common/TitleTypeProvider.java	50.00% <50.00%> (ø)	1.00 <1.00> (?)
...dels/v1/categorylist/FeaturedCategoryListImpl.java	90.38% <100.00%> (+0.18%)	17.00 <1.00> (+1.00)
...models/v1/productcarousel/ProductCarouselImpl.java	87.71% <100.00%> (+0.21%)	23.00 <1.00> (+1.00)
...models/v1/relatedproducts/RelatedProductsImpl.java	86.95% <100.00%> (+0.28%)	16.00 <1.00> (+1.00)

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