feat(amazonq): add diff animation support for chat responses #21978

Job	Run time
lint-commits	9s
lint-duplicate-code (18.x)	47s
lint (18.x, stable)	3m 26s
test Web (18.x, stable)	3m 27s
test macOS (18.x, minimum, amazonq)	3m 32s
test macOS (18.x, insiders, amazonq)	3m 29s
test macOS (18.x, minimum, toolkit)	3m 29s
test Web (18.x, insiders)	3m 27s
test macOS (18.x, insiders, toolkit)	3m 29s
test macOS (18.x, stable, amazonq)	3m 28s
test Windows (18.x, stable, toolkit)	3m 22s
test Windows (18.x, stable, amazonq)	3m 23s
test Windows (18.x, insiders, toolkit)	3m 20s
test macOS (18.x, stable, toolkit)	3m 30s
test Windows (18.x, insiders, amazonq)	3m 21s
	45m 39s

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