Fixed GenericRequestPayload translation

[Coduz]

This PR fixes a bug introduced with #3210, which is preventing GenericRequestPayload to be translated back.

Related Issue
None

Description of the solution adopted
Just added handling of GenericRequestPayload using factory.

Screenshots
None

Any side note on the changes made
None

[codecov]

Codecov Report

Merging #3282 (90a8e71) into develop (311d76e) will decrease coverage by 13.17%.
The diff coverage is 50.00%.

❗ Current head 90a8e71 differs from pull request most recent head bb1ba98. Consider uploading reports for the commit bb1ba98 to get more accurate results

@@              Coverage Diff               @@
##             develop    #3282       +/-   ##
==============================================
- Coverage      53.85%   40.67%   -13.18%     
+ Complexity       785      682      -103     
==============================================
  Files           1467     1467               
  Lines          29943    29946        +3     
  Branches        2504     2505        +1     
==============================================
- Hits           16126    12182     -3944     
- Misses         12890    17136     +4246     
+ Partials         927      628      -299     

Impacted Files	Coverage Δ	Complexity Δ
...pua/AbstractSimpleTranslatorResponseKuraKapua.java	52.38% <50.00%> (-1.47%)	0.00 <0.00> (ø)
...pse/kapua/kura/simulator/GatewayConfiguration.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...lipse/kapua/service/tag/internal/TagQueryImpl.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...a/kura/simulator/birth/BirthCertificateModule.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
.../job/engine/exception/JobMissingStepException.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
.../kapua/service/tag/internal/TagListResultImpl.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...job/engine/exception/KapuaJobEngineErrorCodes.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...pua/service/account/internal/AccountQueryImpl.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...engine/jbatch/driver/JbatchJobRunningStatuses.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (-3.00%)
...ua/service/datastore/internal/schema/Metadata.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
... and 212 more