Use the correct Unicode character in MarkAsDeletedWithName

app/models/concerns/mark_as_deleted_with_name.rb

@@ -11,7 +11,7 @@ module MarkAsDeletedWithName
     # (would have been nice to use retry, but there is no general duplicate-entry exception)
     n = ''
     begin
-      append = ' \u2020' + n
+      append = " \u2020" + n
       deleted_name = name.truncate(max_length-append.length, omission: '') + append
       if n.blank?
         n = 'A'

db/migrate/20181204010000_change_marked_as_deleted_names.rb

@@ -0,0 +1,6 @@
+class ChangeMarkedAsDeletedNames < ActiveRecord::Migration
+  def up
+    execute "UPDATE groups SET name = REPLACE(name, '\\u2020', '\u2020') WHERE deleted_at IS NOT NULL"
+    execute "UPDATE suppliers SET name = REPLACE(name, '\\u2020', '\u2020') WHERE deleted_at IS NOT NULL"
+  end
+end