Feature/344 part counter mapped magazine

Merge request for issue #344

closes #344 part counter for mapped magazines

Make sure that you've checked the boxes below before you submit your MR

• I have read and applied the design rules
• Was the feature branch updated from the develop branch and were there no problems?
• Have new tests been created if possible?
• Are all tests running ?
• Was documentation made if necessary?

⚠ merge before code review is not allowed