Add new `DecoratedIcon` component (#20516) #911

Job	Run time
Check formatting and Clippy lints	2m 5s
Run tests	7m 13s
Create a macOS bundle	24m 46s
Create a Linux *.tar.gz bundle for x86	12m 7s
Create a Linux *.tar.gz bundle for ARM	21m 27s
Update nightly tag	20s
	1h 7m 58s

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