CADSTAR PCB Archive Importer: Fix unhandled case statements

Note: UNITS::DESIGN refer to the units defined in Assignments.Technology.Units
Fixes https://gitlab.com/kicad/code/kicad/-/issues/5725

pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp

@@ -946,6 +946,11 @@ void CADSTAR_PCB_ARCHIVE_LOADER::loadDimensions()
                 dimension->Text().SetTextSize( wxSize(
                         getKiCadLength( dimText.Width ), getKiCadLength( dimText.Height ) ) );
 
+                if( csDim.LinearUnits == UNITS::DESIGN )
+                {
+                    csDim.LinearUnits = Assignments.Technology.Units;
+                }
+
                 switch( csDim.LinearUnits )
                 {
                 case UNITS::METER:
@@ -962,6 +967,11 @@ void CADSTAR_PCB_ARCHIVE_LOADER::loadDimensions()
                 case UNITS::THOU:
                     dimension->SetUnits( EDA_UNITS::MILS );
                     break;
+
+                case UNITS::DESIGN:
+                    wxASSERT( false ); // Should not be here
+                    break;
+
                 }
             }
                 continue;

pcbnew/plugins/cadstar/cadstar_pcb_archive_parser.cpp

@@ -684,6 +684,8 @@ void CADSTAR_PCB_ARCHIVE_PARSER::PAD_SHAPE::Parse( XNODE* aNode )
         LeftLength  = GetXmlAttributeIDLong( aNode, 1 );
         KI_FALLTHROUGH;
 
+    case PAD_SHAPE_TYPE::DIAMOND:
+    case PAD_SHAPE_TYPE::OCTAGON:
     case PAD_SHAPE_TYPE::SQUARE:
 
         if( aNode->GetChildren() )