Can you check if this
aware that editing any predefined, out-of-the-box viewer presets is not
a supported scenario. If you edit an out-of-the-box viewer preset, you
are prompted to save it with a new name.To edit Dynamic Media viewer
presets:In the upper-left corner of AEM, tap the AEM logo, then in the
left rail, tap Tools > Assets > Viewer Presets.Selec...