%% Same as find_system, but searches for all items only locally in defined subsystem/system
%
% Function returns handles of all items which are direct children of
% x_Subsystem. The varargin arguments are forwarded to find_system. The
% function preconfigures the following options of find_system, which cannot
% be used anymore in varargin: 'FindAll', 'SearchDepth' and 'Parent'.
%
% INPUT PARAMETERS:
%   x_Subsystem - Subsystem/system to search in, specified as full system
%              path name or handle
%   varargin - Optional comma-separated pairs of Name,Value arguments which
%              are forwarded to find_system.
% OUTPUT PARAMETERS:
%   h_Items - Handles of items found.
