[Fleet] Move accordion arrow to left on migrate flyout (#233935)

Author: Supplementing

x-pack/platform/plugins/shared/fleet/public/applications/fleet/sections/agents/agent_list_page/components/migrate_agent_flyout/index.tsx

@@ -281,7 +281,7 @@ export const AgentMigrateFlyout: React.FC<Props> = ({
             {/* Additional Settings Section */}
             <EuiFormRow fullWidth>
               <EuiAccordion
-                arrowDisplay="right"
+                arrowDisplay="left"
                 id="migrateAgentFlyoutAdditionalOptions"
                 initialIsOpen={false}
                 buttonContent={