Bugfix/798 replacing mids in jsons break buildtemplate

[JoernBerkefeld]

PR details

What changes did you make? (Give an overview)

• fixes #798

Checklist

• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] test scripts updated
• [ ] Wiki updated (if applicable)

[github-actions[bot]]

Coverage Report

Commit: 0101de9
Base: develop@bea555f

Type	Base	This PR
Total Statements Coverage	41.63%	41.68%  (+0.05%)
Total Branches Coverage	33.33%	33.41%  (+0.08%)
Total Functions Coverage	47.93%	48.01%  (+0.08%)
Total Lines Coverage	41.58%	41.63%  (+0.05%)

Details (changed testable files):

File	Statements	Branches	Functions	Lines
lib/metadataTypes/Asset.js	10.84%	4.49%	11.11%	10.87%
lib/metadataTypes/MetadataType.js	61.6%	61.29%	71.95%	61.37%