Add get singleton by launcher id method #51

Job	Run time
Test Install Scripts (3.9, macOS-latest)	3m 0s
Test Install Scripts (3.9, ubuntu-latest)	2m 20s
Test Install Scripts amazonlinux:2	7m 9s
Test Install Scripts arch:latest	2m 23s
Test Install Scripts centos:7	10m 7s
Test Install Scripts debian:buster	2m 11s
Test Install Scripts debian:bullseye	1s
Test Install Scripts debian:bookworm	1s
Test Install Scripts fedora:34	1s
Test Install Scripts fedora:35	1s
Test Install Scripts fedora:36	1s
Test Install Scripts rockylinux:8	1s
Test Install Scripts ubuntu:bionic (18.04)	1s
Test Install Scripts ubuntu:focal (20.04)	1s
Test Install Scripts ubuntu:jammy (22.04)	1s
	27m 19s

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