fix(editor): Prevent updating node parameter value if it hasn't changed (#9535)

packages/editor-ui/src/components/HtmlEditor/HtmlEditor.vue

@@ -1,6 +1,6 @@
 <template>
 	<div :class="$style.editor">
-		<div ref="htmlEditor"></div>
+		<div ref="htmlEditor" data-test-id="html-editor-container"></div>
 		<slot name="suffix" />
 	</div>
 </template>
@@ -244,7 +244,6 @@ onMounted(() => {
 
 onBeforeUnmount(() => {
 	htmlEditorEventBus.off('format-html', formatHtml);
-	emit('update:model-value', readEditorValue());
 });
 </script>
 

packages/editor-ui/src/components/ParameterInput.vue

@@ -1189,6 +1189,13 @@ function valueChanged(value: NodeParameterValueType | {} | Date) {
 	if (remoteParameterOptionsLoading.value) {
 		return;
 	}
+	// Only update the value if it has changed
+	const oldValue = node.value?.parameters
+		? nodeHelpers.getParameterValue(node.value?.parameters, props.parameter.name, '')
+		: undefined;
+	if (oldValue !== undefined && oldValue === value) {
+		return;
+	}
 
 	if (props.parameter.name === 'nodeCredentialType') {
 		activeCredentialType.value = value as string;

packages/editor-ui/src/components/SqlEditor/SqlEditor.vue

@@ -163,7 +163,6 @@ onMounted(() => {
 
 onBeforeUnmount(() => {
 	codeNodeEditorEventBus.off('error-line-number', highlightLine);
-	emit('update:model-value', readEditorValue());
 });
 
 function line(lineNumber: number): Line | null {