fix(ilc): fix unmount css for embedded application by adding timeout #2257

Job	Run time
Common checks	1m 1s
Run E2E tests (mysql, mysql, 3306)	4m 0s
Build ILC (src, refs/pull/624/merge)	6m 44s
Run E2E tests (pg, postgres, 5432)	3m 54s
Build Registry (src, refs/pull/624/merge)	24s
Build ILC (dest, master)	1m 43s
Build Registry (dest, master)	13s
Test Registry (src, refs/pull/624/merge, sqlite3)	1m 23s
Test Registry (src, refs/pull/624/merge, mysql, mysql, 3306)	1m 26s
Test Registry (src, refs/pull/624/merge, pg, postgres, 5432)	1m 23s
Test Registry (dest, master, sqlite3)	1m 34s
Test Registry (dest, master, mysql, mysql, 3306)	1m 26s
Test Registry (dest, master, pg, postgres, 5432)	1m 24s
Push images to registry	14s
PR Coverage Report	41s
Build documentation	0s
	27m 30s

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