Add back the tagGroup option for publication tag fields

[caendesilva]

Adds back the tagGroup option for publication tag fields and adds a few tests and minor refactors for the publication type code.

[codecov]

Codecov Report

Merging #804 (63c8ea0) into publications-feature (aa95454) will not change coverage.
The diff coverage is n/a.

❗ Current head 63c8ea0 differs from pull request most recent head 2957950. Consider uploading reports for the commit 2957950 to get more accurate results

@@                    Coverage Diff                     @@
##             publications-feature      #804     +/-   ##
==========================================================
  Coverage                  100.00%   100.00%             
+ Complexity                   2888      1450   -1438     
==========================================================
  Files                         334       167    -167     
  Lines                        7254      3644   -3610     
==========================================================
- Hits                         7254      3644   -3610     

Impacted Files	Coverage Δ
...rk/src/Console/Commands/MakePublicationCommand.php	100.00% <0.00%> (ø)
...rc/Console/Commands/MakePublicationTypeCommand.php	100.00% <0.00%> (ø)
...k/Features/Publications/Models/PublicationTags.php	100.00% <0.00%> (ø)
...k/Features/Publications/Models/PublicationType.php	100.00% <0.00%> (ø)
...Publications/Models/PublicationFieldDefinition.php	100.00% <0.00%> (ø)
...rk/src/Console/Commands/MakePublicationCommand.php
...rc/Console/Commands/MakePublicationTypeCommand.php
...c/Console/Commands/ValidatePublicationsCommand.php
...Publications/Models/PublicationFieldDefinition.php
...k/Features/Publications/Models/PublicationTags.php
... and 162 more

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