refactor: split "ui" into "common" and "svelte-ui" #1755

Job	Run time
Check trigger	12s
build	1m 49s
setup-tags	8s
snyk-scan-deps-licences	43s
sonar	1m 11s
snyk-scan-code	25s
snyk-sbom	41s
(PRIVATE) Docker AMD / A test of the oidc debugger	28s
(PRIVATE) Docker AMD / build-and-push	33s
snyk-container-monitor	0s
deploy_dev	0s
deploy_pull_request	0s
snyk-monitor	0s
deploy_enkinet	0s
deploy_stokenet	0s
deploy_hammunet	0s
deploy_mainnet	0s
	6m 10s

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