fix(ilc): fix unmount css for embedded application by adding timeout #2256

Job	Run time
Run E2E tests (mysql, mysql, 3306)	7m 34s
Run E2E tests (mysql, mysql, 3306)	7m 27s
Build ILC (src, refs/pull/624/merge)	6m 45s
Build ILC (src, refs/pull/624/merge)	1m 37s
Run E2E tests (pg, postgres, 5432)	7m 27s
Run E2E tests (pg, postgres, 5432)	7m 28s
Build Registry (src, refs/pull/624/merge)	25s
Build Registry (src, refs/pull/624/merge)	22s
Build ILC (dest, master)	1m 44s
Build ILC (dest, master)	6m 23s
Common checks	50s
Common checks	53s
Build Registry (dest, master)	30s
Build Registry (dest, master)	27s
Test Registry (src, refs/pull/624/merge, sqlite3)	1m 31s
Test Registry (src, refs/pull/624/merge, sqlite3)	1m 29s
Test Registry (src, refs/pull/624/merge, mysql, mysql, 3306)	1m 27s
Test Registry (src, refs/pull/624/merge, mysql, mysql, 3306)	1m 27s
Test Registry (src, refs/pull/624/merge, pg, postgres, 5432)	1m 23s
Test Registry (src, refs/pull/624/merge, pg, postgres, 5432)	1m 28s
Test Registry (dest, master, sqlite3)	1m 25s
Test Registry (dest, master, sqlite3)	1m 31s
Test Registry (dest, master, mysql, mysql, 3306)	1m 32s
Test Registry (dest, master, mysql, mysql, 3306)	1m 24s
Test Registry (dest, master, pg, postgres, 5432)	1m 27s
Test Registry (dest, master, pg, postgres, 5432)	1m 24s
PR Coverage Report	34s
PR Coverage Report	36s
Push images to registry	0s
Push images to registry	0s
Build documentation	0s
Build documentation	0s
	1h 8m 30s

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