Enhance compatibility with V6.0 for Intersheetrefs fields associated to GLOBAL labels.

In V6.0, the identifier is "Intersheet References" and was not immediately
seen as Intersheetrefs field.

eeschema/sch_field.cpp

@@ -889,7 +889,9 @@ wxString SCH_FIELD::GetCanonicalName() const
         // These should be stored in canonical format, but just in case:
         if( m_name == _( "Net Class" ) || m_name == wxT( "Net Class" ) )
             return wxT( "Netclass" );
-        else if( m_name == _( "Sheet References" ) ||  m_name == wxT( "Sheet References" ) )
+        else if( m_name == _( "Sheet References" )
+                 || m_name == wxT( "Sheet References" )
+                 || m_name == wxT( "Intersheet References" ) )
             return wxT( "Intersheetrefs" );
         else
             return m_name;

eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp

@@ -3839,10 +3839,16 @@ SCH_TEXT* SCH_SEXPR_PARSER::parseSchText()
 
             SCH_FIELD* field = parseSchField( text.get() );
 
-            if( text->Type() == SCH_GLOBAL_LABEL_T && field->GetInternalName() == wxT( "Intersheetrefs") )
+            if( text->Type() == SCH_GLOBAL_LABEL_T )
             {
-                SCH_GLOBALLABEL* label = static_cast<SCH_GLOBALLABEL*>( text.get() );
-                label->GetFields()[0] = *field;
+                // If the field is a Intersheetrefs it is not handled like other fields:
+                // It always exists and is the first in list
+                if( field->GetInternalName() == wxT( "Intersheetrefs") ||       // Current name
+                    field->GetInternalName() == wxT( "Intersheet References") ) // old name in V6.0
+                {
+                    SCH_GLOBALLABEL* label = static_cast<SCH_GLOBALLABEL*>( text.get() );
+                    label->GetFields()[0] = *field;
+                }
             }
             else
                 static_cast<SCH_LABEL_BASE*>( text.get() )->GetFields().emplace_back( *field );

pcbnew/tools/edit_tool_move_fct.cpp

@@ -190,8 +190,6 @@ int EDIT_TOOL::Swap( const TOOL_EVENT& aEvent )
 
 int EDIT_TOOL::PackAndMoveFootprints( const TOOL_EVENT& aEvent )
 {
-    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();
-
     PCB_SELECTION& selection = m_selectionTool->RequestSelection(
             []( const VECTOR2I& aPt, GENERAL_COLLECTOR& aCollector, PCB_SELECTION_TOOL* sTool )
             {