* Move layout options to separate toolbar
* Enable stepping on quantities, remove special history curve stepping for now
* Allow stepping ensembles and cases
* Add step next/prev and add new sub plot
* 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.
* Create multi summary plot from summary plot(s)
* Rearrange multi summary plot properties
* Enable source stepping toolbar for multi summary plot
* Automatically activate new summary plot when creating from data sources -> data vector tree
* Enable global key controls for switching data in summary and multi summary plots
* Update tooltip texts for summary plot toolbar
* #8425 Multi Graph : Support grouping on object name
* #8425 Multi Graph : Improve creation of new graphs
* #8425 Multi Graph : Improve default tick mark count
* Handle history and non history as identical headers
* #8425 Multi Graph : Increase space below a graph
- add copy paste of plots into multi summary plot
- improve data source stepping for multi plot
- improve auto generated plot name, graph name and curve name
Fixes by clang-format
Improve readability
Improve robustness related to update of Summary Plot Manager
Add RimSummaryMultiPlot
Move shared code into RiaSummaryStringTools
Added "Create Summary Multi Plot" to menu of MultiPlot in project tree
