refactor: split "ui" into "common" and "svelte-ui" #1756

Job	Run time
Check trigger	16s
build	1m 26s
snyk-scan-code	29s
setup-tags	11s
snyk-scan-deps-licences	54s
sonar	1m 23s
snyk-sbom	39s
(PRIVATE) Docker AMD / A test of the oidc debugger	34s
(PRIVATE) Docker AMD / build-and-push	59s
snyk-monitor	0s
deploy_dev	0s
snyk-container-monitor	0s
deploy_pull_request	0s
deploy_stokenet	0s
deploy_enkinet	0s
deploy_hammunet	0s
deploy_mainnet	0s
	6m 51s

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