fix(axios): apply global plugin config on first repository use

[CodeDredd]

Bug

AxiosRepository captured config.axiosApi (axios instance + global plugin config) in its constructor — but ORM plugins are registered via registerPlugins() after the repository is constructed. On the first useAxiosRepo() call of an app the repository therefore saw an empty globalApiConfig, and global options like baseURL and dataKey were silently dropped from every request built by that repository (#1987).

The axios instance itself only appeared to work because Request#axios had a fallback to repository.config.axiosApi.axios.

Fix

axios and globalApiConfig are now lazy getters that resolve from this.config.axiosApi — the plugin-merged config the repository receives via setConfig() during plugin registration. setAxios() still overrides the instance. The Request#axios workaround fallback is gone.

Tests

New regression test that simulates a freshly booted app (no prior repository use) with baseURL + dataKey in the global plugin config — fails with 404 before the fix, passes after. Full axios suite green (23 tests).

fixes #1987

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.50%. Comparing base (a7cc431) to head (8a2dcb0).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2028      +/-   ##
==========================================
+ Coverage   99.43%   99.50%   +0.06%     
==========================================
  Files          82       82              
  Lines        3019     3019              
  Branches      529      529              
==========================================
+ Hits         3002     3004       +2     
+ Misses         14       12       -2     
  Partials        3        3              

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