Add DollySpinner component with animated sheep loading animation #6989

Job	Run time
playwright / playwright-tests (4, 4)	1m 38s
vitest / vitest	1m 11s
playwright / playwright-tests (1, 4)	1m 26s
workflow / start	4s
playwright / playwright-tests (3, 4)	1m 31s
playwright / playwright-tests (2, 4)	1m 43s
workflow / build	2m 32s
playwright / merge-reports	55s
workflow / deploy-test	0s
workflow / deploy	0s
workflow / deploy-idporten	0s
	11m 0s

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