[risk=no][RW-8048] Add create/dupe workspace latency note for users (#6446)
[risk=no][RW-8048] Add create/dupe workspace latency note for users (#6446)


all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench