chore(demo): improve icons documentation #5112

Job	Run time
Build demo	3m 41s
playwright / (1 of 9)	5m 59s
playwright / (2 of 9)	10m 54s
playwright / (3 of 9)	7m 40s
playwright / (4 of 9)	4m 29s
playwright / (5 of 9)	6m 23s
playwright / (6 of 9)	5m 23s
playwright / (7 of 9)	4m 38s
playwright / (8 of 9)	4m 46s
playwright / (9 of 9)	4m 51s
Playwright E2E Tests matrix result	1s
E2E result	11s
	58m 56s

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