Optimization of the mxnmultiwidget
move slider navigation to QtWidgets
add utility widget at the top of MxN render windows
correctly set render window properties of nodes
move view direction selection from context menu to utility widget
Replace view direction in newly introduced class
The class was created before the "Frontal" view direction
was changed to "Coronal".
Clean render window utility widget
Remove unnecessary parameters, which can be retrieved from the
The widget name was not used at all.
Add slice navigation inversion check
Completely remove RenderWindowManager Module
Add simple context menu for the data storage inspector
The contex menu allows to reinit the specific renderer to a
selected data node or reinit the renderer's world geometry to
the image geometry of the selected data node.
Test Plan: manual testing of the mxnmultiwidget and its render windows
Subscribers: kalali, s434n, floca
Maniphest Tasks: T28578
Differential Revision: https://phabricator.mitk.org/D726