do no rerun the each block when array change from empty to empty

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

@@ -132,6 +132,8 @@ export function each(node, flags, get_collection, get_key, render_fn, fallback_f
 	/** @type {Effect | null} */
 	var fallback = null;
 
+	var empty = false;
+
 	block(() => {
 		var collection = get_collection();
 
@@ -143,6 +145,13 @@ export function each(node, flags, get_collection, get_key, render_fn, fallback_f
 
 		var length = array.length;
 
+		if (empty && length === 0) {
+			// ignore updates if the array is empty,
+			// and it already was empty on previous run
+			return;
+		}
+		empty = length === 0;
+
 		/** `true` if there was a hydration mismatch. Needs to be a `let` or else it isn't treeshaken out */
 		let mismatch = false;