Save AppliedDatabaseMigrationsEto to the outbox in runtime migrator

[maliming]

https://abp.io/support/questions/10920

EfCoreRuntimeDatabaseMigratorBase published AppliedDatabaseMigrationsEto outside a unit of work, so it skipped the outbox and the application startup waited for the message broker. It now saves the event to the outbox (if one accepts it) in a non-transactional unit of work, and saves it again on retry if saving fails.

[codecov]

Codecov Report

❌ Patch coverage is 13.57466% with 191 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.13%. Comparing base (9496fb8) to head (06af580).
⚠️ Report is 7 commits behind head on rel-10.7.

Files with missing lines	Patch %	Lines
...re/Migrations/RuntimeDatabaseMigratorTestModule.cs	0.00%	111 Missing ⚠️
...rations/EfCoreRuntimeDatabaseMigratorBase_Tests.cs	0.00%	79 Missing ⚠️
...re/Migrations/EfCoreRuntimeDatabaseMigratorBase.cs	96.77%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           rel-10.7   #26303      +/-   ##
============================================
- Coverage     49.91%   49.13%   -0.79%     
============================================
  Files          3857     3942      +85     
  Lines        135153   137817    +2664     
  Branches      10244    10594     +350     
============================================
+ Hits          67464    67713     +249     
- Misses        65659    68084    +2425     
+ Partials       2030     2020      -10     

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