sequencer - fix possible filename with space problem

sequencer.sh

@@ -33,8 +33,8 @@ set -o pipefail
   readonly seq_name="${_sqn_alias:-${0##*/}}"
   readonly seq_dir="$(cd -- "$(dirname -- "${0}")" && pwd)"
   readonly seq_origin="$(cd -- "$(dirname -- "$(readlink -f -- "${0}")")" && pwd)"
-  readonly seq_file=$(basename -- "${0}")
-  readonly seq_fileName=${seq_file%%.*}
+  readonly seq_file="$(basename -- "${0}")"
+  readonly seq_fileName="${seq_file%%.*}"
   readonly seq_self="${seq_origin}/${seq_file}"
   # shellcheck disable=SC2015 # && || is not if else
   readonly seq_invocation="$(printf '%q' "${0}")$( (($#)) && printf ' %q' "$@" || true)"