src/vs/workbench/api/browser/mainThreadWebviewPanels.ts/reviveWebviewIcon
function reviveWebviewIcon(
	value: { light: UriComponents, dark: UriComponents; } | undefined
): WebviewIcons | undefined {
	return value
		? { light: URI.revive(value.light), dark: URI.revive(value.dark) }
		: undefined;
}