Ensure AE title is less than 16 chars in review and preprod

Author: steventux

scripts/bash/deploy_arc_ring.sh

@@ -64,9 +64,8 @@ declare -a RUN_CMD_NAMES=()
 
 # API_ENVIRONMENT is used to set the AET and port for the MWL and PACS servers.
 API_ENVIRONMENT=$(echo "$ENVIRONMENT" | tr '[:lower:]' '[:upper:]')
-
-if [[ "$API_ENVIRONMENT" == "PREPROD" ]]; then
-    API_ENVIRONMENT="PRE"
+if [ ${#API_ENVIRONMENT} -gt 16 ]; then
+  API_ENVIRONMENT=${API_ENVIRONMENT:0:3}  # AETs have a max length of 16 chars.
 fi
 
 while IFS= read -r MACHINE_JSON; do