I18n: make more parts of the UI translatable

- "Name collisions" label in mesh properties
- "Threshold" labels in Vertex Weight Edit modifier
- "Particle System" label in Particle Instance modifier
- Slot number in the Shader Editor

- Status bar keymap items during modal operations:
  add TIP_() macro to status bar interface template

- On dumping messages, sort preset files so their messages are stable
  between runs

Ref. T43295

Reviewed By: mont29

Differential Revision: https://developer.blender.org/D15607

release/scripts/startup/bl_ui/properties_data_mesh.py

@@ -3,6 +3,8 @@ import bpy
 from bpy.types import Menu, Panel, UIList
 from rna_prop_ui import PropertyPanel
 
+from bpy.app.translations import pgettext_tip as tip_
+
 
 class MESH_MT_vertex_group_context_menu(Menu):
     bl_label = "Vertex Group Specials"
@@ -592,7 +594,7 @@ class DATA_PT_mesh_attributes(MeshButtonsPanel, Panel):
         if not colliding_names:
             return
 
-        layout.label(text="Name collisions: " + ", ".join(set(colliding_names)), icon='ERROR')
+        layout.label(text=tip_("Name collisions: ") + ", ".join(set(colliding_names)), icon='ERROR')
 
 
 class ColorAttributesListBase():