MWPW-154363: Add param anaylitics sandbox

[JasonHowellSlavin]

• Adds the ability to add a sanboxgroup metadata to the page that will send this group along with the post request.

Context:
This will allow for us to use this endpoint for multiple uses in the interim while we get a runtime solution up and running. Arnfried has made the endpoint default to the original sandbox group if no group is sent with the POST request. This means by default we do not want to send a group unless it is found in the metadata. Additionally, probably a good idea for the authors to add the metadata sandboxGroup to the og page to have authoring parity.

Needs to be tested with Eric.

Resolves: MWPW-NUMBER

Test URLs:

• Before: https://main--bacom--adobecom.hlx.live/drafts/slavin/adobe-analytics-sandbox?martech=off
• After: https://add-param-anaylitics-sandbox--bacom--adobecom.hlx.live/drafts/slavin/adobe-analytics-sandbox?martech=off

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Commits

• 014b4dd ✅ (latest)
• 4b4e70c ✅
• 48fd423 ✅
• 0ea5679 ❌

[aem-code-sync]

	Page	Scores	Audits	Google
M	/drafts/slavin/adobe-analytics-sandbox?martech=off
D	/drafts/slavin/adobe-analytics-sandbox?martech=off

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.98%. Comparing base (97475e6) to head (014b4dd).

Additional details and impacted files

@@            Coverage Diff             @@
##            stage     #239      +/-   ##
==========================================
+ Coverage   95.95%   95.98%   +0.02%     
==========================================
  Files          11       11              
  Lines        1088     1095       +7     
==========================================
+ Hits         1044     1051       +7     
  Misses         44       44              

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