graph_editor_ui_test: update snapshot for html2canvas 1.4.1

It seems the screenshot became different
3 jobs for feat/html2canvas-1.4.1 in 0 seconds (queued for 1 second)
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner2

00:47:08

passed ERP5.UnitTest-TestRunner2

01:23:23

canceled ERP5.UnitTest-TestRunner2

00:50:47