[PM-7837] Update SyncService Reference In Billing Files

[justindbaur]

Type of change

- [ ] Bug fix
- [ ] New feature development
- [x] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
- [ ] Build/deploy pipeline (DevOps)
- [ ] Other

Objective

Update all references to SyncService to the new location as created in #9055. In draft until that PR merges.

Before you submit

• Please add unit tests where it makes sense to do so (encouraged but not required)
• If this change requires a documentation update - notify the documentation team
• If this change has particular deployment requirements - notify the DevOps team
• Ensure that all UI additions follow WCAG AA requirements

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 27.73%. Comparing base (14772a5) to head (efc5a9d).

Files	Patch %	Lines
...eb/src/app/billing/individual/premium.component.ts	0.00%	1 Missing ⚠️
...ling/organizations/organization-plans.component.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                             Coverage Diff                             @@
##           ps/pm-7837/move-sync-to-platform-ownership    #9060   +/-   ##
===========================================================================
  Coverage                                       27.73%   27.73%           
===========================================================================
  Files                                            2418     2418           
  Lines                                           69943    69937    -6     
  Branches                                        12990    12987    -3     
===========================================================================
  Hits                                            19399    19399           
+ Misses                                          49045    49039    -6     
  Partials                                         1499     1499           

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[github-actions]

Checkmarx One – Scan Summary & Details – cb786ada-4b75-4c9a-bd5e-fe10f5598a69

No New Or Fixed Issues Found