Check file visibility conflicts check

1.7.2

- added: `Object visibility conflict` in file check
  - print in console when object have render activated but not viewport (& vice-versa)
  - Standalone ops "List Object Visibility Conflicts" (`gp.list_object_visibility`)
- added: `GP Modifier visibility conflict` in file check.
  - print in console when gp modifiers have render activated but not viewport (& vice-versa)
  - Standalone ops "List GP Modifiers Visibility Conflicts" (`gp.list_modifier_visibility`)
- code: show_message_box utils can now receive operator in sublist (if 3 element)

properties.py

@@ -84,6 +84,16 @@ class GP_PG_FixSettings(bpy.types.PropertyGroup):
         name="List Disabled Animation",
         description="Alert if there are disabled animations", 
         default=True, options={'HIDDEN'})
+    
+    list_obj_vis_conflict : BoolProperty(
+        name="List Object Visibility Conflicts",
+        description="Alert if some objects have different hide viewport and hide render values", 
+        default=True, options={'HIDDEN'})
+
+    list_gp_mod_vis_conflict : BoolProperty(
+        name="List GP Object Modifiers Visibility Conflicts",
+        description="Alert if some GP modifier have different show viewport and show render values", 
+        default=True, options={'HIDDEN'})
 
     autokey_add_n_replace : BoolProperty(
         name="Autokey Mode Add and Replace",