refactor(core-kernel): add symbol for TransactionHandlerProvider

[sebastijankuzner]

Added symbol for TransactionHandlerProvider to provide support for test core-transactions package.

Summary

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (3.0@704644f). Click here to learn what that means.
The diff coverage is n/a.

@@          Coverage Diff           @@
##             3.0    #3496   +/-   ##
======================================
  Coverage       ?   46.93%           
======================================
  Files          ?      536           
  Lines          ?    13669           
  Branches       ?     1856           
======================================
  Hits           ?     6416           
  Misses         ?     7224           
  Partials       ?       29

Impacted Files	Coverage Δ
packages/core-transactions/src/service-provider.ts	0% <ø> (ø)
...core-transactions/src/handlers/handler-registry.ts	0% <ø> (ø)
packages/core-kernel/src/ioc/identifiers.ts	100% <ø> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 704644f...38bf5bc. Read the comment docs.