Add more details headers to the style guide
[#46929367] oracle import no longer uses greenplum external table pointing to chorus
[fix #46929367] Remove external stream since we don't need it anymore for oracle imports
[#46489871] update password confirmation error message
Fix user show page content details padding [fix #47006953]
fix workspace picker dialog display bug
[#46476035] Make cancelable query work for non-superusers (including for file downloads)
Revert changes to development.rb
[finishes #46852027 #46476035] prevent users from cancelling other users' queries
Merge branch '2.3'