Restores API compatibility to legacy status when status param is sent blank (@status=@) and it should return all users (#40099).

git-svn-id: https://svn.redmine.org/redmine/trunk@22625 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/users_controller.rb

@@ -47,8 +47,8 @@ class UsersController < ApplicationController
 
     # API backwards compatibility: handle legacy filter parameters
     unless request.format.html?
-      if status_id = params[:status].presence
-        @query.add_filter 'status', '=', [status_id]
+      if params.include?(:status) && params[:status].blank?
+        @query.add_filter 'status', '*'
       end
       if name = params[:name].presence
         @query.add_filter 'name', '~', [name]