feat: take form resets into account for two way bindings

When resetting a form, the value of the inputs within it get out of sync with the bound value of those inputs. This PR introduces a reset listener on the parent form to reset the value in that case
closes #2659

Author: dummdidumm

.changeset/silly-ways-wash.md

@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+feat: take form resets into account for two way bindings

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

@@ -1010,6 +1010,26 @@ export function selected(dom) {
 	});
 }
 
+/**
+ *
+ * @param {HTMLInputElement | HTMLSelectElement} element
+ * @param {(value: unknown) => void} update
+ */
+function listen_to_form_reset(element, update) {
+	// Inside effect to ensure the element is connected to the DOM
+	effect(() => {
+		const form = element.form;
+		if (form) {
+			const handler = () => {
+				// TODO defaultValue handling needs more thought
+				update(element.defaultValue || '');
+			};
+			form.addEventListener('reset', handler);
+			return () => form.removeEventListener('reset', handler);
+		}
+	});
+}
+
 /**
  * @param {HTMLInputElement} dom
  * @param {() => unknown} get_value
@@ -1056,6 +1076,8 @@ export function bind_value(dom, get_value, update) {
 
 		dom.value = stringify(value);
 	});
+
+	listen_to_form_reset(dom, update);
 }
 
 /**
@@ -1109,6 +1131,8 @@ export function bind_select_value(dom, get_value, update) {
 		dom.__value = value;
 		mounting = false;
 	});
+
+	listen_to_form_reset(dom, update);
 }
 
 /**
@@ -1210,6 +1234,8 @@ export function bind_group(group, group_index, dom, get_value, update) {
 			}
 		};
 	});
+
+	listen_to_form_reset(dom, update);
 }
 
 /**
@@ -1231,6 +1257,8 @@ export function bind_checked(dom, get_value, update) {
 		const value = get_value();
 		dom.checked = Boolean(value);
 	});
+
+	listen_to_form_reset(dom, update);
 }
 
 /**