CLI JSON updates (#962)

See Changelog for details.

internal/tests/cli/boundary/_host_sets.bash

@@ -28,12 +28,12 @@ function assoc_host_set_host() {
 function host_set_id() {
   local name=$1
   local hcid=$2
-  strip $(list_host_sets $hcid | jq -c ".[] | select(.name | contains(\"$name\")) | .[\"id\"]")
+  strip $(list_host_sets $hcid | jq -c ".items[] | select(.name | contains(\"$name\")) | .[\"id\"]")
 }
 
 function host_set_host_ids() {
   local id=$1
-  ids=$(read_host_set $id | jq '.["host_ids"]')
+  ids=$(read_host_set $id | jq '.item["host_ids"]')
   echo "ids $ids"
 }