Fix junction drawn off grid on root sheet bug.

eeschema/files-io.cpp

@@ -297,6 +297,7 @@ bool SCH_EDIT_FRAME::LoadOneEEProject( const wxString& FileName, bool IsNew )
     // load the project.
     g_RootSheet->SetScreen( NULL );
     bool diag = g_RootSheet->Load( this );
+    SetScreen( m_CurrentSheet->LastScreen() );
 
     /* Redraw base screen (ROOT) if necessary. */
     GetScreen()->SetGrid( ID_POPUP_GRID_LEVEL_1000 + m_LastGridSizeId );

eeschema/schframe.cpp

@@ -324,6 +324,7 @@ void SCH_EDIT_FRAME::CreateScreens()
     if( g_RootSheet->GetScreen() == NULL )
     {
         g_RootSheet->SetScreen( new SCH_SCREEN() );
+        SetScreen( g_RootSheet->GetScreen() );
     }
 
     g_RootSheet->GetScreen()->SetFileName( m_DefaultSchematicFileName );