Return verified data after presentation submission processing

[decentralgabe]

Fixes #355

[codecov-commenter]

Codecov Report

Merging #360 (40287d9) into main (ef62f1f) will increase coverage by 0.23%.
The diff coverage is 56.00%.

@@            Coverage Diff             @@
##             main     #360      +/-   ##
==========================================
+ Coverage   57.75%   57.99%   +0.23%     
==========================================
  Files          52       52              
  Lines        6566     6574       +8     
==========================================
+ Hits         3792     3812      +20     
+ Misses       2065     2055      -10     
+ Partials      709      707       -2     

Impacted Files	Coverage Δ
credential/rendering/schema.go	0.00% <0.00%> (ø)
credential/schema/vcjsonschema.go	46.00% <0.00%> (ø)
schema/jsonschema.go	59.09% <40.00%> (+7.09%)	⬆️
credential/exchange/schema.go	36.36% <42.86%> (ø)
credential/exchange/verification.go	59.26% <63.04%> (+8.45%)	⬆️
credential/manifest/schema.go	52.63% <75.00%> (ø)
credential/exchange/submission.go	72.87% <100.00%> (+0.25%)	⬆️