ui_test: update verifyImageMatchSnapshot screenshots for firefox 115 (fix)

This was missing from f3435570 (ui_test: update
verifyImageMatchSnapshot screenshots for firefox 115, 2023-10-22)
2 jobs for erp5-vifib
Status Job ID Name Coverage
  External
failed ERP5.UnitTest-Master

failed ERP5.UnitTest-Zope2