boutiques descriptor refresh for tool config without descriptor path a…

…ces#1174

BrainPortal/app/models/tool_config.rb

@@ -593,14 +593,14 @@ def self.register_descriptor(descriptor, tool_name, tool_version) #:nodoc:
  def self.registered_boutiques_descriptor(tool_name, tool_version) #:nodoc:
  @_descriptors_ ||= {}
  key = [ tool_name, tool_version ] # two strings
- @_descriptors_[key]
+ @_descriptors_[key] = @_descriptors_[key]&.reload_if_file_timestamp_changed
  end
 
  def boutiques_descriptor
  if @_descriptor_
  @_descriptor_ = @_descriptor_.reload_if_file_timestamp_changed
  key = [ self.tool.name, self.version_name ] # two strings
- @_descriptors_[key] = @_descriptor_ if @_descriptors_.has_key? key
+ @_descriptors_[key] = @_descriptor_
  return @_descriptor_
  end
  path = boutiques_descriptor_path.presence