UI: move auto-merge option to mesh options panel

This can be used even w/o snap.

release/scripts/startup/bl_ui/space_topbar.py

@@ -269,11 +269,6 @@ class TOPBAR_PT_snapping(Panel):
             if 'VOLUME' in snap_elements:
                 col.prop(toolsettings, "use_snap_peel_object")
 
-        # Auto-Merge Editing
-        if obj:
-            if (object_mode == 'EDIT' and obj.type == 'MESH'):
-                col.prop(toolsettings, "use_mesh_automerge", icon='AUTOMERGE_ON')
-
 
 class INFO_MT_editor_menus(Menu):
     bl_idname = "INFO_MT_editor_menus"

release/scripts/startup/bl_ui/space_view3d.py

@@ -173,7 +173,8 @@ class VIEW3D_HT_header(Header):
                 text=""
             )
 
-        layout.prop(scene, "transform_orientation", text="")
+        if mode in {'OBJECT', 'EDIT', 'POSE'}:
+            layout.prop(scene, "transform_orientation", text="")
 
         layout.separator()
 

release/scripts/startup/bl_ui/space_view3d_toolbar.py

@@ -104,6 +104,8 @@ class VIEW3D_PT_tools_meshedit_options(View3DPanel, Panel):
         col.prop(tool_settings, "edge_path_live_unwrap")
         col.label("Double Threshold:")
         col.prop(tool_settings, "double_threshold", text="")
+        col.prop(tool_settings, "use_mesh_automerge")  # , icon='AUTOMERGE_ON'
+
 
 # ********** default tools for editmode_curve ****************