Improved logic of headers for configurators with a single category
Issues resolved:
Header for configurators with one category (#8695qyxxt)
Added ability for STEP import to handle STEP files with mix of compounds, bodies and assemblies at top-level
Issues resolved:
STEP: Mix of bodies and components at top-level doesn't work (#8695gzqr0)
Corrected text colour on purchase dialog
Issues resolved:
[2139] quantity (#8695n2fje)
[1839] Issue with Device Count on Checkout (#8695gbct4)
Corrected styling of confirm dialog
Issues resolved:
onConfirm popup (#8695m3mng)
Grouped notifications of task by the product or other item that triggered them, in order to clarify overall progress
Issues resolved:
Group notifications by product (or other source) (#86949k8jy)
Resolved internal errors occurring during configurator use
Issues resolved:
Eliminate CalculationNotStartedException by starting the calculation (#8695h1jdb)
[2103] java.lang.NullPointerException 	at com.google.common.base.Preconditions.checkNotNull(Precond... (#8695mwtbe)
Added feedback to user on clicking header logo along with behaviour to clear the current design and start a new one
Issues resolved:
Click on logo on header doesn't clear configurator or warn (#8695derxr)
Added internal methods for directly editing head versions of data
Issues resolved:
Patchwork: Add updateDocumentHead/updateSubdocumentHead endpoints (#8695wdr8t)
