CADSTAR Schematic: Add needed junctions on load

Fixes a bug that was causing junctions to disappear when they
were not perfectly positioned in the original CADSTAR design.

eeschema/files-io.cpp

@@ -58,6 +58,7 @@
 #include <wildcards_and_files_ext.h>
 #include <drawing_sheet/ds_data_model.h>
 #include <wx/ffile.h>
+#include <tools/ee_actions.h>
 #include <tools/ee_inspection_tool.h>
 #include <paths.h>
 
@@ -1150,7 +1151,10 @@ bool SCH_EDIT_FRAME::importFile( const wxString& aFileName, int aFileType )
             // Only fix junctions for CADSTAR importer for now as it may cause issues with
             // other importers
             if( fileType == SCH_IO_MGR::SCH_CADSTAR_ARCHIVE )
-                FixupJunctions();
+            {
+                FixupJunctions( true );
+                RecalculateConnections( GLOBAL_CLEANUP );
+            }
 
             // Only perform the dangling end test on root sheet.
             GetScreen()->TestDanglingEnds();

eeschema/sch_edit_frame.cpp

@@ -1498,7 +1498,7 @@ const BOX2I SCH_EDIT_FRAME::GetDocumentExtents( bool aIncludeAllVisible ) const
 }
 
 
-void SCH_EDIT_FRAME::FixupJunctions()
+void SCH_EDIT_FRAME::FixupJunctions( bool aAddNeededJunctions )
 {
     // Save the current sheet, to retrieve it later
     SCH_SHEET_PATH oldsheetpath = GetCurrentSheet();
@@ -1534,6 +1534,16 @@ void SCH_EDIT_FRAME::FixupJunctions()
         for( const wxPoint& pos : junctions )
             AddJunction( screen, pos, false, false );
 
+        if( aAddNeededJunctions )
+        {
+            EE_SELECTION allItems;
+
+            for( auto item : screen->Items() )
+                allItems.Add( item );
+
+            m_toolManager->RunAction( EE_ACTIONS::addNeededJunctions, true, &allItems );
+        }
+
         if( junctions.size() )
             modified = true;
     }

eeschema/sch_edit_frame.h

@@ -813,7 +813,7 @@ public:
 
     const BOX2I GetDocumentExtents( bool aIncludeAllVisible = true ) const override;
 
-    void FixupJunctions();
+    void FixupJunctions( bool aAddNeededJunctions = false );
 
     void FocusOnItem( SCH_ITEM* aItem );