[DMN Designer] Client-side Marshaller

The XML<->UI model marshaller needs to be written client-side.

Open issues

None

Fixed issues

Duplicate default xmlns <-- Why is kogito adding one more on subsequent save
xmlns="https://kiegroup.org/dmn/_52981035-B582-434D-824B-3F758B2376F8"
xmlns="https://kiegroup.org/dmn/_52981035-B582-434D-824B-3F758B2376F8"
Empty InputData (unmodified)
Empty KnowledgeRequirement (unmodified)
Decision (properties)
InputData (properties)
KnowledgeRequirement (properties)
Empty BusinessKnowledgeModel (unmodified)
FunctionKind (String in JSITFunctionKind... need to convert to enum)
BusinessKnowledgeModel (Description)
DecisionTable BuiltinAggregator enum
Empty Decision (unmodified) <-- The default LiteralExpression added lacks an ID and hence crashes Decision Navigator.
QNames!

• Decision (Data Type)
• InputData (Data Type)
• BusinessKnowledgeModel (Data Type)
  NOTE: Removed support for conversion of DMN1.1 to DMN1.2 QName. Hence loading DMN1.1 files may be unpredictable.

Extensions https://issues.jboss.org/browse/KOGITO-255

• ComponentsWidthsExtension
• DMNExternalLink extension
• Unknown extensions (3rd party)

Context
Empty DecisionService (unmodified)
DecisionService (Description)
DecisionService (with encapsulated logic, inputs, outputs etc)
Port https://github.com/kiegroup/kie-wb-common/commit/ef38fdffb9a03c574dd7f5c1139403c820c349ee to DROOLS-3727 marshaller

Imports
Imported nodes
Imported ItemDefintions
ItemDefinitions