Use PreFinalize/Finalize in all definition handlers

[awrichar]

Follow-up to #462

[codecov-commenter]

Codecov Report

Merging #475 (dab9901) into main (a3992b8) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #475   +/-   ##
=======================================
  Coverage   99.92%   99.92%           
=======================================
  Files         266      266           
  Lines       15134    15142    +8     
=======================================
+ Hits        15123    15131    +8     
  Misses         11       11           

Impacted Files	Coverage Δ
internal/definitions/definition_handler.go	100.00% <100.00%> (ø)
...ternal/definitions/definition_handler_contracts.go	100.00% <100.00%> (ø)
...nternal/definitions/definition_handler_datatype.go	100.00% <100.00%> (ø)
...ternal/definitions/definition_handler_namespace.go	100.00% <100.00%> (ø)
...nal/definitions/definition_handler_network_node.go	100.00% <100.00%> (ø)
...rnal/definitions/definition_handler_network_org.go	100.00% <100.00%> (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 a3992b8...dab9901. Read the comment docs.

[peterbroadhurst]

This is great. The architecture seemed to work well for all the cases, and be clear to read.