Additional detail: when changing the layer blend mode
* without a current selection (objects on canvas):
no blend mode is added to the current layer
* with a current selection (objects on canvas):
the blend mode is added to the selected objects instead of to the layer group
Additional detail: when changing the layer blend mode
* without a current selection (objects on canvas):
no blend mode is added to the current layer
* with a current selection (objects on canvas):
the blend mode is added to the selected objects instead of to the layer group