[Admin][Users]Add new admin store_credits show page

[MadelineCollier]

Summary

This PR is for issue: #5824

The store credits flow is in the process of being significantly refactored so this will eventually be a page which both displays the store credit info and allows editing (when appropriate). It will match the flow of the new user addresses page. For now this just replaces the legacy show page and migrates the users/:user_id/store_credits/:id page from the legacy soldius_backend to the new solidus_admin. Again there were no designs so I just tried my best to match to the existing components and layouts.

Screenshots

New page

Old page

Bonus

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Checklist

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[MadelineCollier]

This PR is waiting for #5998 which should fix the two failing flaky specs. Thanks @tvdeyen for your work on making the other specs less flaky!

[codecov]

Codecov Report

Attention: Patch coverage is 95.55556% with 2 lines in your changes missing coverage. Please review.

Project coverage is 89.47%. Comparing base (81c605c) to head (97919a8).
Report is 17 commits behind head on main.

Files with missing lines	Patch %	Lines
...olidus_admin/users/store_credits/show/component.rb	92.30%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5978      +/-   ##
==========================================
+ Coverage   87.81%   89.47%   +1.65%     
==========================================
  Files         476      784     +308     
  Lines       11656    18038    +6382     
==========================================
+ Hits        10236    16139    +5903     
- Misses       1420     1899     +479     

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[tvdeyen]

Thanks. Can we please continue the work on semantics we started in #5950 (6bd7f5e) and use links instead of divs for the store credits components. I would like us to establish as much semantics as possible going forward with the new admin. Reducing the amount of work we have to do in the future.

[MadelineCollier]

Thanks. Can we please continue the work on semantics we started in #5950 (6bd7f5e) and use links instead of divs for the store credits components. I would like us to establish as much semantics as possible going forward with the new admin. Reducing the amount of work we have to do in the future.

The links don't work with the specs as they blow away the query params, something which the specs expect to be present after clicking through. Since we still haven't solved that (without javascript) I think we'll need to keep it as is until we have a solution to preserve those params.

[MadelineCollier]

@tvdeyen more context here.

[tvdeyen]

I tabled #6014 (comment)

so this is ready to be merged. Thanks for the patience 🙏🏻

[MadelineCollier]

I tabled #6014 (comment)

so this is ready to be merged. Thanks for the patience 🙏🏻

No worries, thank you so much for investing the time to look into it!