Fix loading background image.

Drag and drop doesn't work for new pattern file.

ChangeLog.txt

@@ -1,6 +1,7 @@
 # Valentina 0.7.53 (unreleased)
 - Fix layout sheet export with empty name.
 - Fix visualization for tool Point from circle and tangent.
+- Fix loading background image.
 
 # Valentina 0.7.52 September 12, 2022
 - Fix crash when default locale is ru.

src/app/valentina/mainwindow.cpp

@@ -4338,6 +4338,8 @@ void MainWindow::on_actionNew_triggered()
         m_curFileFormatVersionStr = VPatternConverter::PatternMaxVerStr;
 
         ToolBarOption();
+
+        m_sceneDraw->SetAcceptDrop(true);
     }
     else
     {

src/libs/vwidgets/vmaingraphicsview.cpp

@@ -674,6 +674,7 @@ void VMainGraphicsView::dragEnterEvent(QDragEnterEvent *event)
             }
         }
     }
+    QGraphicsView::dragEnterEvent(event);
 }
 
 //---------------------------------------------------------------------------------------------------------------------