Fix T76285: Missing 'Toggle X-Ray' operator description

Author: @Alaska

Differential Revision: https://developer.blender.org/D7591

source/blender/editors/space_view3d/view3d_edit.c

@@ -5372,6 +5372,7 @@ void VIEW3D_OT_toggle_xray(wmOperatorType *ot)
   /* identifiers */
   ot->name = "Toggle X-Ray";
   ot->idname = "VIEW3D_OT_toggle_xray";
+  ot->description = "Transparent scene display. Allow selecting through items";
 
   /* api callbacks */
   ot->exec = toggle_xray_exec;