close the filter view when user starts to scroll

Shared/views/FilterView.swift

@@ -200,6 +200,11 @@ struct FilterView: View {
                         yearGridView(yearData: yearData, columns: columns)
                     }
                 }
+                .simultaneousGesture(DragGesture().onChanged({ _ in
+                    withAnimation{
+                        showFilter = false
+                    }
+                }))
                 .padding()
             }
         }