Fix non working Esc when init Polyline Properties dialog.

Fixes: https://gitlab.com/kicad/code/kicad/-/issues/18850

pcbnew/dialogs/dialog_shape_properties.cpp

@@ -192,7 +192,14 @@ DIALOG_SHAPE_PROPERTIES::DIALOG_SHAPE_PROPERTIES( PCB_BASE_EDIT_FRAME* aParent,
     }
 
     if( m_item->GetShape() == SHAPE_T::POLY )
+    {
         m_sizerStartEnd->Show( false );
+        SetInitialFocus( m_filledCtrl ); // Or Esc key won't work
+    }
+    else
+    {
+        SetInitialFocus( m_startXCtrl );
+    }
 
     // Only a Bezeier curve has control points. So do not show these parameters for other shapes
     if( m_item->GetShape() != SHAPE_T::BEZIER )
@@ -229,7 +236,6 @@ DIALOG_SHAPE_PROPERTIES::DIALOG_SHAPE_PROPERTIES( PCB_BASE_EDIT_FRAME* aParent,
         m_endY.Show( false );
     }
 
-    SetInitialFocus( m_startXCtrl );
     SetupStandardButtons();
 
     // Now all widgets have the size fixed, call FinishDialogSettings