fix: adjust heuristics for effect_update_depth_exceeded (#11558)

* fix: adjust heuristics for effect_update_depth_exceeded

* fix: adjust heuristics for effect_update_depth_exceeded

* fix: further adjust heuristics for effect_update_depth_exceeded

.changeset/grumpy-avocados-fetch.md

@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+fix: further adjust heuristics for effect_update_depth_exceeded

packages/svelte/src/internal/client/runtime.js

@@ -515,6 +515,7 @@ function infinite_loop_guard() {
  * @returns {void}
  */
 function flush_queued_root_effects(root_effects) {
+	infinite_loop_guard();
 	for (var i = 0; i < root_effects.length; i++) {
 		var signal = root_effects[i];
 		flush_nested_effects(signal, RENDER_EFFECT | EFFECT);
@@ -701,6 +702,7 @@ function flush_nested_effects(effect, filter_flags, shallow = false) {
  * @returns {void}
  */
 export function flush_local_render_effects(effect) {
+	infinite_loop_guard();
 	// We are entering a new flush sequence, so ensure counter is reset.
 	flush_count = 0;
 	flush_nested_effects(effect, RENDER_EFFECT, true);