feat(amazonq): add diff animation support for chat responses #21970

Job	Run time
lint-commits	6s
lint (18.x, stable)	6m 53s
lint-duplicate-code (18.x)	46s
test macOS (18.x, minimum, toolkit)	8m 54s
test macOS (18.x, stable, amazonq)	9m 0s
test Web (18.x, stable)	5m 43s
test Web (18.x, insiders)	5m 46s
test macOS (18.x, minimum, amazonq)	10m 15s
test macOS (18.x, insiders, toolkit)	10m 19s
test Windows (18.x, stable, amazonq)	8m 48s
test Windows (18.x, insiders, amazonq)	10m 16s
test Windows (18.x, stable, toolkit)	10m 10s
test macOS (18.x, stable, toolkit)	9m 39s
test macOS (18.x, insiders, amazonq)	9m 16s
test Windows (18.x, insiders, toolkit)	10m 11s
	1h 56m 2s

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