fix: make props optional during SSR (#12284)

.changeset/itchy-pianos-marry.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: make props optional during SSR

packages/svelte/src/internal/server/index.js

@@ -113,7 +113,7 @@ export function render(component, options = {}) {
 	}
 
 	// @ts-expect-error
-	component(payload, options.props, {}, {});
+	component(payload, options.props ?? {}, {}, {});
 
 	if (options.context) {
 		pop();