fix(OnyxAvatar): update default initials #6056

Job	Run time
Build and Cache	1m 49s
Check code quality	2m 51s
Component tests / Playwright shard (1)	5m 30s
Component tests / Playwright shard (2)	5m 19s
Component tests / Playwright shard (3)	5m 33s
Component tests / Playwright shard (4)	5m 1s
Component tests / Playwright shard (5)	5m 7s
Component tests / Playwright shard (6)	5m 8s
Component tests / Playwright shard (7)	5m 47s
Component tests / Playwright shard (8)	6m 49s
Component tests / Playwright shard (9)	5m 20s
Component tests / Playwright shard (10)	6m 47s
Component tests / Playwright shard (11)	3m 51s
Component tests / Playwright shard (12)	5m 50s
Component tests / Playwright shard (13)	5m 38s
Component tests / Playwright shard (14)	5m 44s
Component tests / Playwright shard (15)	6m 41s
Component tests / Playwright shard (16)	3m 40s
Component tests / Collect Playwright result	35s
	1h 33m 0s

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