* Remove light mode from theme selection
The light mode is not working well, and was intended to be used when exporting to pdf from dark mode.
* Allow direct edit of summary case name
The name for a summary case can be automatically created. If the user starts to edit the name manually, set the name option to Custom. Make the descriptionField available as not read-only, then it is possible to edit the name directly in the project tree using F2 or double-click.
* Allow drag of ensembles
* Add support for drag/drop of well segments
* Add support for well segment number stepping in toolbar
* Refactor interface to PdmObjectHandle and PdmFieldHandle
Return objects instead of passing in structures as parameters
* Add nodiscard to several functions
* Remove redundant this->
* Rename to ptrReferencedObjectsByType
* #9277 Observed Data : Assign case ID when importing observed data
If no case ID is assigned, the first observed case is always used when creating new plots of observed data
* #9278 Match on summary vector name when curve unit text is missing
* Make sure the subplot selected in the tree is shown in the multiplot viewer.
* Clean up multiplot toolbar handling a bit
* Remove old summary plot toolbar.