fix(ras-acc): respect social icons padding

[chickenn00dle]

All Submissions:

• Have you followed the Newspack Contributing guideline?
• Does your code follow the WordPress' coding standards and VIP Go coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Closes https://app.asana.com/0/1207817176293825/1207990881852220/f

This PR addresses an issue where the renderer was not not respecting the social icons padding set in the editor. This also tweaks the default icons padding to 8px (from 7px) to be in-line with the spacing set in RAS-ACC transactional emails:

Editor:

Email:

How to test the changes in this Pull Request:

To test this PR, be sure to also checkout the following plugin PR: Automattic/newspack-plugin#3339

See Automattic/newspack-plugin#3339 for testing RAS-ACC specific behavior

1. Add social icons to any newsletter
2. Preview and send the newsletter
3. Confirm the behavior matches what is on trunk

Note that social icons in newsletters is currently a bit funky on trunk. This PR does not fix this and only focuses on changes for RAS-ACC.

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 19.67%. Comparing base (8257b67) to head (15045ff).
Report is 1 commits behind head on epic/ras-acc.

Additional details and impacted files

@@                Coverage Diff                 @@
##             epic/ras-acc    #1615      +/-   ##
==================================================
+ Coverage           19.63%   19.67%   +0.03%     
- Complexity           2372     2378       +6     
==================================================
  Files                  45       45              
  Lines                8926     8930       +4     
==================================================
+ Hits                 1753     1757       +4     
  Misses               7173     7173              

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[laurelfulford]

This looks good! I couldn't spot any noticeable difference between the before and after in newsletters.