You Assembled your Patch Solution and now you are downloading it from SAP Cloud Applications Studio.
You noticed that instead of the Patch Solution ID you get the .zip file with the Original Solution ID, even you are downloading the Patch Solution.
SAP Cloud Applications Studio - all it's versions
Whenever a solution is downloaded, may it be a patch or original, it's always downloaded as original namespace.
This is the expected behavior of the system.
Original Solution; Path Solution; Solution ID; Cloud Applications Studio; SDK; Assemble and Download; , KBA , AP-RC-BDS-LM , ByDesign Studio Lifecycle Management , Problem