Fix computation of bounding box main grid

Calculation of the bounding box for main grid used to be on demand. This was changed in a previous commit. The computation of bounding box is now done first.

The regression was introduced in 5151717

ApplicationLibCode/ProjectDataModel/RimEclipseCase.cpp

@@ -625,11 +625,9 @@ void RimEclipseCase::computeCachedData()
         caf::ProgressInfo pInf( 30, "" );
 
         {
-            auto task = pInf.task( "", 1 );
-            computeActiveCellsBoundingBox();
-        }
+            // NB! Call computeCachedData() first, as this function also computes the bounding box used in other functions, specifically
+            // computeActiveCellsBoundingBox()
 
-        {
             auto task = pInf.task( "Calculating Cell Search Tree", 10 );
 
             std::string aabbTreeInfo;
@@ -639,6 +637,11 @@ void RimEclipseCase::computeCachedData()
             // RiaLogging::debug( QString::fromStdString( aabbTreeInfo ) );
         }
 
+        {
+            auto task = pInf.task( "", 1 );
+            computeActiveCellsBoundingBox();
+        }
+
         {
             auto task = pInf.task( "Calculating faults", 17 );