MWPW-190611: Fix the URL according with locale picker

[Andrei4226]

Resolves https://jira.corp.adobe.com/browse/MWPW-190611
QA Checklist: https://wiki.corp.adobe.com/display/adobedotcom/M@S+Engineering+QA+Use+Cases

Before: https://mas.adobe.com/studio.html#fragmentId=c19be488-3753-4c07-9c8a-b87c9b494574&locale=it_IT&page=fragment-editor&path=sandbox
After: https://mwpw-190611--mas--adobecom.aem.live/studio.html#fragmentId=c19be488-3753-4c07-9c8a-b87c9b494574&locale=it_IT&page=fragment-editor&path=sandbox

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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Test URLs:

• Before: https://main--mas--adobecom.aem.live/
• After: https://mwpw-190611--mas--adobecom.aem.live/

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Commits

• bafde12 ✅ (latest)
• 8f51d01 ✅
• d5673ed ✅

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 87.45%. Comparing base (26266ec) to head (bafde12).

Files with missing lines	Patch %	Lines
studio/src/mas-fragment-editor.js	90.90%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #791      +/-   ##
==========================================
+ Coverage   87.44%   87.45%   +0.01%     
==========================================
  Files         211      211              
  Lines       63410    63414       +4     
==========================================
+ Hits        55447    55459      +12     
+ Misses       7963     7955       -8     

Files with missing lines	Coverage Δ
studio/src/mas-fragment-editor.js	89.78% <90.90%> (+0.30%)	⬆️

... and 1 file with indirect coverage changes

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