Update grid part naming (#10879)

* Rename parts
* Make sure well extraction goes along model, not fault
* Match part naming with parts

ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationEnums.h

@@ -23,8 +23,8 @@ namespace RimFaultReactivation
 
 enum class GridPart
 {
-    PART1,
-    PART2
+    FW, // footwall
+    HW // hanging wall
 };
 
 enum class BorderSurface

ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.cpp

@@ -670,9 +670,10 @@ bool RimFaultReactivationModel::exportModelSettings()
     auto [topPosition, bottomPosition] = m_2Dmodel->faultTopBottom();
     auto faultNormal                   = m_2Dmodel->faultNormal();
 
-    // make sure we move horizontally
+    // make sure we move horizontally, and along the 2D model
     faultNormal.z() = 0.0;
     faultNormal.normalize();
+    faultNormal = faultNormal ^ cvf::Vec3d::Z_AXIS;
 
     RimFaultReactivationTools::addSettingsToMap( settings, faultNormal, topPosition, bottomPosition );