Bug 1915715 - Rename some ingest-related SuggestStoreInner methods

[0c0w3]

Pull Request checklist

• Breaking changes: This PR follows our breaking change policy
  • [ ] This PR follows the breaking change policy:
    • This PR has no breaking API changes, or
    • There are corresponding PRs for our consumer applications that resolve the breaking changes and have been approved
• [ ] Quality: This PR builds and tests run cleanly
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• [ ] Tests: This PR includes thorough tests or an explanation of why it does not
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Branch builds: add [firefox-android: branch-name] to the PR title.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 22.64%. Comparing base (66bfc0b) to head (bf6f900).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6355   +/-   ##
=======================================
  Coverage   22.64%   22.64%           
=======================================
  Files         327      327           
  Lines       29846    29846           
=======================================
  Hits         6759     6759           
  Misses      23087    23087           

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