MWPW-166756 [mas/io] dynamic settings

[npeltier]

• using surface wide settings index that can have tags & locale overrides,
• adding in memory cache,
• keep for now 'hard coded' price literals, and collection settings,
• add unit tests

Resolves https://jira.corp.adobe.com/browse/MWPW-166756
QA Checklist: https://wiki.corp.adobe.com/display/adobedotcom/M@S+Engineering+QA+Use+Cases

Please do the steps below before submitting your PR for a code review or QA

• C1. Cover code with Unit Tests
• C2. Add a Nala test (double check with #fishbags if nala test is needed)
• C3. Verify all Checks are green (unit tests, nala tests)
• C4. PR description contains working Test Page link where the feature can be tested
• C5: you are ready to do a demo from Test Page in PR (bonus: write a working demo script that you'll use on Thursday, you can eventually put in your PR)
• C.6 read your Jira one more time to validate that you've addressed all AC's and nothing is missing

Test URLs:

• Before: https://main--mas--adobecom.aem.live/
• After: https://mwpw-MWPW-166756--mas--adobecom.aem.live/

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Commits

• 53b9efc ✅ (latest)
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• 5a81cc6 ✅
• ee3ed69 ✅
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• ce53841 ✅
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• 740edc1 ✅
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• 585ca9d ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.14%. Comparing base (146a3bf) to head (53b9efc).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #613      +/-   ##
==========================================
+ Coverage   84.12%   84.14%   +0.01%     
==========================================
  Files         180      180              
  Lines       49064    49064              
==========================================
+ Hits        41276    41283       +7     
+ Misses       7788     7781       -7     

see 1 file with indirect coverage changes

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[yesil]

I'm not sure if this method is covered by tests enough. is fragment.variant expected to exist? Should not it be fragment.fields.variant ?

[npeltier]

some bug / misfunction of the coverage tool was "covering" that second part of the test. tempaltes is supposed to be an array, and this condition was not even supposed to work! fixing & testing this

[npeltier]

(fixed)