Ongoing work on DataItems and labels

* Data Store handling / labels aligned (HEMERA-3674)
* Data Item refactored
fixes HEMERA-3705
fix HEMERA-3709
fixes HEMERA-3711
fixes HEMERA-3186
Refactor add features (HEMERA-3715)
Merge branch 'HEMERA-3659-create-refactoring' into develop
DataStore / DataObject labels read from DI (HEMERA-3716)
Cleanup code base
HEMERA-3186 make annotation createable in subprocess context
Merge branch 'develop' of github.com:camunda/bpmn2-modeler into develop
Drop flow nodes on sequence flows works (HEMERA-3659)
Merge branch 'develop' of github.com:camunda/bpmn2-modeler into develop
Fix regression
Tests
HEMERA-3705: Fix regression of regression
HEMERA-3615: Retain bendpoints after con split
HEMERA-3691: Improve error handling on data association
HEMERA-3724: Fix regression with boundary event layouting
Merge branch 'HEMERA-3615-tests' into develop