Improve local development (#3661)

scripts/start-setupWorld

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # shellcheck source=start-utils
-. "${SCRIPTS:-/}start-utils"
+. "$(dirname "$0")/start-utils"
 set -e
 isDebugging && set -x
 
@@ -135,4 +135,4 @@ fi
 [[ -f ${worldDownload} ]] && rm ${worldDownload}
 [[ -d ${tmpWorldData} ]] && rm -rf ${tmpWorldData}
 
-exec "${SCRIPTS:-/}start-setupDatapack" "$@"
+exec "$(dirname "$0")/start-setupDatapack" "$@"