[DMN Designer] BC DOs as DMN DTs - Create import action into the UI

Consume the service provided by DROOLS-4680 and create Data Types in the UI.

⚠️ Notice:

• Respect the nesting logic
• Use the data types manager for creating type (just like the "Add" button)
• The new data types must be added in the end of the list
• If a Data Type with the same name already exists, remove it, and add the new one.

Manual Scenarios

• No fields in data object
• Nested data objects, more than 5 levels acceptance criteria updated
• Class B extends Class A
• Classes added as dependencies we do not follow acceptance criteria
• Classes from different package than dmn
• Collection fields comment RHDM-1144
• simple/built in type java types fields comment RHDM-1145
• static fields comment, decided to nor report
• Import, rename original java class, import again
• Import, delete import, import
• Import, add field in original java class, import
• Import, change field type in original class, import
• Import, import
• Import, pick also types needed for fields
• Import, do not pick types needed for fields do-not-pick-fields.webm , works in re-review
• Use imported type in dmn, test scenario