GUI: move shared enums to 'GUI/Support/Data/ID.h'

Joins three homeless enums in GUI/Support/Data/ID.h

This resolves #447 (closed)

GUI/Model/Data/ProjectionItems.cpp

@@ -20,7 +20,8 @@ ProjectionContainerItem::ProjectionContainerItem()
 {
 }
 
-QVector<MaskItem*> ProjectionContainerItem::projectionsOfType(GUI::ID::ProjectionType projectionType)
+QVector<MaskItem*>
+ProjectionContainerItem::projectionsOfType(GUI::ID::ProjectionType projectionType)
 {
     if (projectionType == GUI::ID::ProjectionType::Horizontal)
         return projections<HorizontalLineItem>();