MWPW-190447 Activate Alpha sorting of M@S cols in Tabular view

[Blainegunn]

Activate Alpha sorting of M@S cols in Tabular view

• Add sort support for Path, Fragment Title, and Last Modified columns
• Remove sortable attribute from non-sortable columns (Offer ID, Offer Type, Last Modified By, Price, Status)
• Add sort StoreController and sortedFragments getter to MasContent
• Register content sort columns in SORT_COLUMNS constant

Resolves https://jira.corp.adobe.com/browse/MWPW-190447
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

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Note: Tests only run on commits if the run nala label is present. Add the label whenever you need tests to run on new changes.

Test URLs:

• Before: https://main--mas--adobecom.aem.live/
• After: https://mwpw-190447--mas--adobecom.aem.live/

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Commits

• 3532e33 ✅ (latest)
• 3ac4c2e ✅

[codecov]

Codecov Report

❌ Patch coverage is 10.16949% with 53 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.42%. Comparing base (bc24e38) to head (3ac4c2e).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
studio/src/mas-content.js	10.16%	53 Missing ⚠️

❌ Your patch check has failed because the patch coverage (10.16%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #718      +/-   ##
==========================================
+ Coverage   86.29%   86.42%   +0.13%     
==========================================
  Files         199      199              
  Lines       58827    58878      +51     
==========================================
+ Hits        50763    50886     +123     
+ Misses       8064     7992      -72     

Files with missing lines	Coverage Δ
studio/src/mas-content.js	46.75% <10.16%> (-10.82%)	⬇️

... and 8 files with indirect coverage changes

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