swap argument order - results in nicer-looking code in many cases

Author: Rich-Harris

packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteBoundary.js

@@ -75,7 +75,7 @@ export function SvelteBoundary(node, context) {
 
 	const props_expression = b.object(props.length === 0 ? [] : props[0]);
 	const boundary = b.stmt(
-		b.call('$.boundary', context.state.node, b.arrow([b.id('$$anchor')], block), props_expression)
+		b.call('$.boundary', context.state.node, props_expression, b.arrow([b.id('$$anchor')], block))
 	);
 
 	context.state.template.push('<!>');

packages/svelte/src/internal/client/dom/blocks/boundary.js

@@ -52,7 +52,7 @@ function with_boundary(boundary, fn) {
  * }} props
  * @returns {void}
  */
-export function boundary(node, boundary_fn, props) {
+export function boundary(node, props, boundary_fn) {
 	var anchor = node;
 
 	/** @type {Effect | null} */