-Add input format detection for csvConvert. If not specified, input format and compression will be used for output.
-Add -setMetadata key=value;... arg for overwriting metadata
-(CsvStats) make sure commandline metadata is written at the end when writing out in csv format
#ROBOMERGE-OWNER: ben.woodhouse
#ROBOMERGE-AUTHOR: ben.woodhouse
#ROBOMERGE-SOURCE: CL 17625367 via CL 17625371 via CL 17625373 via CL 17625375 via CL 17625378 via CL 17625698
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Test -> Main) (v871-17566257)
[CL 17625701 by ben woodhouse in ue5-main branch]