v5.15.2

🐛 Bug Fix

• fix(core): Subgroup cannot be hidden #1368 (@JosefBredereck)
• refactor: optimized engines directory retrieval #1359 #1364 (@mfranzke)
• chore(docs): corrected pattern names #1365 (@mfranzke)

Authors: 2

• Josef Bredreck (@JosefBredereck)
• Maximilian Franzke (@mfranzke)