This patch changes the drop named material tooltip to give feedback to the user what is going to happen when they invoke the change. There are 3 states: * "": Operator will be canceled as not all data is present (dropping on background.) * "Drop <named material> on <object name> (slot <slot number>, replacing <current material in slot>). * "Drop <named material> on <object name> (slot <slot number). Reviewed By: Severin Maniphest Tasks: T90371 Differential Revision: https://developer.blender.org/D12106