CIF-2948: parse response html in the current browsing context

[buuhuu]

Description

This change replaces the use of DOMParser in the load more handlers of product collections with a document.createRange().createContextualFragment.

The DOMParser previously parsed the returned html without any browsing context, hence flagged as scripting disabled. This causes all nodes in <noscript> tags to be parsed as dom nodes.

The image v2 component on the other hand expects the content of the <noscript> tag to be pure text, which is the expected for javascript enabled browsers. Because of this the image v2 component was not working for product list experience fragments in combination with load more yet.

Related Issue

CIF-2948

Motivation and Context

How Has This Been Tested?

Locally, existing uint tests

Screenshots (if appropriate):

Types of changes

• [X] 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:

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

[codecov[bot]]

Codecov Report

Merging #955 (9422782) into master (60cdd75) will decrease coverage by 0.00%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #955      +/-   ##
============================================
- Coverage     89.47%   89.46%   -0.01%     
  Complexity     2204     2204              
============================================
  Files           351      351              
  Lines          9860     9857       -3     
  Branches       1422     1422              
============================================
- Hits           8822     8819       -3     
  Misses          742      742              
  Partials        296      296              

Flag	Coverage Δ
integration	52.17% <ø> (ø)
jest	86.55% <ø> (ø)
karma	95.32% <100.00%> (-0.01%)	:arrow_down:
unittests	88.13% <ø> (ø)

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

Impacted Files	Coverage Δ
...oductcollection/clientlibs/js/productcollection.js	87.71% <100.00%> (-0.22%)	:arrow_down:
...oductcollection/clientlibs/js/productcollection.js	89.55% <100.00%> (-0.31%)	:arrow_down:

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