CIF-1469 - CIF Core Components support for staged catalog data

[cjelger]

This PR adds the support for staged catalog data for Magento and AEM Launches. If the current page is inside an AEM Launch, a Preview-Version HTTP header will be sent with all GraphQL requests. The "epoch" value of the header is taken from the live date of the AEM Launch.

This also requires that a Magento integration token (with permission "Catalog > Staging") must be configured as an Authorization:Bearer <token> HTTP header in the GraphQL client.

Also important: I adapted the navigation and breadcrumb components so they use the "production version" of the current page to get their configuration, an also adapted the SiteNavigation class to make sure that it creates the "correct" links for the product and category pages. Here "correct" means that if the Launch includes the product and/or category page(s), then the links should point to the pages from the Launch and not to production pages.

How Has This Been Tested?

Extended unit tests and extensively tested manually.

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 #399 into master will decrease coverage by 2.69%.
The diff coverage is 38.33%.

@@             Coverage Diff              @@
##             master     #399      +/-   ##
============================================
- Coverage     76.11%   73.41%   -2.70%     
+ Complexity      698      697       -1     
============================================
  Files           186      176      -10     
  Lines          4789     4315     -474     
  Branches        669      681      +12     
============================================
- Hits           3645     3168     -477     
+ Misses          931      927       -4     
- Partials        213      220       +7     

Flag	Coverage Δ	Complexity Δ
#integration	67.41% <38.33%> (-0.79%)	687.00 <10.00> (-1.00)
#jest	80.85% <ø> (ø)	0.00 <ø> (ø)
#karma	?	?
#unittests	93.15% <ø> (ø)	40.00 <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ	Complexity Δ
...e/core/components/client/MagentoGraphqlClient.java	34.32% <22.22%> (-9.91%)	4.00 <0.00> (-2.00)
...commerce/core/components/utils/SiteNavigation.java	23.72% <23.07%> (-6.28%)	8.00 <2.00> (+1.00)	⬇️
.../internal/models/v1/breadcrumb/BreadcrumbImpl.java	80.80% <66.66%> (+0.39%)	25.00 <8.00> (ø)
...dels/v1/categorylist/FeaturedCategoryListImpl.java	64.70% <100.00%> (ø)	7.00 <0.00> (ø)
.../internal/models/v1/navigation/NavigationImpl.java	69.53% <100.00%> (+0.23%)	18.00 <0.00> (ø)
...onents/internal/models/v1/product/ProductImpl.java	73.94% <100.00%> (ø)	41.00 <0.00> (ø)
...models/v1/productcarousel/ProductCarouselImpl.java	58.92% <100.00%> (ø)	13.00 <0.00> (ø)
...nternal/models/v1/productlist/ProductListImpl.java	91.17% <100.00%> (ø)	23.00 <0.00> (ø)
...nal/models/v1/productteaser/ProductTeaserImpl.java	48.00% <100.00%> (ø)	9.00 <0.00> (ø)
...models/v1/relatedproducts/RelatedProductsImpl.java	57.77% <100.00%> (ø)	7.00 <0.00> (ø)
... and 10 more

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[herzog31]

Looks good. What about the client-side code?

[cjelger]

@herzog31 Good point, I'll create a follow-up issue for that and add it for technical grooming.