fix(editor): Avoid sanitizing output to search node data (#8126)

## Summary
In search feature, output sanitization was added to support `<mark` tag
in output panel to highlight searched text. This removes any html like
data in the input/output panel..
This PR removes sanitization while keeping text highlights..


## Related tickets and issues
https://community.n8n.io/t/n8n-output/33997
https://community.n8n.io/t/html-tags-in-editor-rendered/34240
https://github.com/n8n-io/n8n/issues/8081
https://linear.app/n8n/issue/ADO-1594/node-output-view-not-consistent
https://linear.app/n8n/issue/ADO-1597/bug-xml-display-issue


## Review / Merge checklist
- [X] PR title and summary are descriptive. **Remember, the title
automatically goes into the changelog. Use `(no-changelog)` otherwise.**
([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))
- [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up
ticket created.
- [ ] Tests included.
> A bug is not considered fixed, unless a test is added to prevent it
from happening again.
   > A feature is not complete without tests.

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

@@ -0,0 +1,52 @@
+<script lang="ts" setup>
+import type { PropType } from 'vue';
+import type { GenericValue } from 'n8n-workflow';
+import { computed } from 'vue';
+
+const props = defineProps({
+	content: {
+		type: [Object, String, Number] as PropType<GenericValue>,
+	},
+	search: {
+		type: String,
+	},
+});
+
+const splitTextBySearch = (
+	text = '',
+	search = '',
+): Array<{ tag: 'span' | 'mark'; content: string }> => {
+	if (!search) {
+		return [
+			{
+				tag: 'span',
+				content: text,
+			},
+		];
+	}
+
+	const escapeRegExp = (s: string) => s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+	const pattern = new RegExp(`(${escapeRegExp(search)})`, 'i');
+	const splitText = text.split(pattern);
+
+	return splitText.map((t) => ({ tag: pattern.test(t) ? 'mark' : 'span', content: t }));
+};
+
+const parts = computed(() => {
+	return props.search && typeof props.content === 'string'
+		? splitTextBySearch(props.content, props.search)
+		: [];
+});
+</script>
+
+<template>
+	<span v-if="parts.length && typeof props.content === 'string'">
+		<template v-for="(part, index) in parts">
+			<mark v-if="part.tag === 'mark' && part.content" :key="`mark-${index}`">{{
+				part.content
+			}}</mark>
+			<span v-else-if="part.content" :key="`span-${index}`">{{ part.content }}</span>
+		</template>
+	</span>
+	<span v-else>{{ props.content }}</span>
+</template>