Currently, the default template is used for IPT and IAM files created with "mirror Components" command and there is no possibility to choose a different one. Please add the box to choose template to be used like it is on the "Make Part" or "Make Components" command.
"Mirror Components" dialog box (without template button):
"Mirror components" command dialog box without "template" button
"Make components" command dialog box: Please do the same for "mirror components" command.
"Make components" dialog box with "template" button