UI / Python: rename X-Ray to In Front, Draw to Display.

See T56648.

tests/python/bl_mesh_modifiers.py

@@ -370,7 +370,7 @@ def modifier_armature_add(scene, obj):
     scene.objects.active = obj
 
     # display options
-    obj_arm.show_x_ray = True
+    obj_arm.show_in_front = True
     arm_data.draw_type = 'STICK'
 
     # apply to modifier
@@ -425,7 +425,7 @@ def modifier_hook_add(scene, obj, use_vgroup=True):
 
     obj_hook = mod.object
     obj_hook.rotation_euler = 0, math.radians(45), 0
-    obj_hook.show_x_ray = True
+    obj_hook.show_in_front = True
 
     if use_vgroup:
         mod.vertex_group = obj.vertex_groups[0].name