feat(core): Add support for building LLM applications (#7235)

This extracts all core and editor changes from #7246 and #7137, so that
we can get these changes merged first.

ADO-1120

[DB Tests](https://github.com/n8n-io/n8n/actions/runs/6379749011)
[E2E Tests](https://github.com/n8n-io/n8n/actions/runs/6379751480)
[Workflow Tests](https://github.com/n8n-io/n8n/actions/runs/6379752828)

---------

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Alex Grozav <alex@grozav.com>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/design-system/src/components/N8nNodeIcon/NodeIcon.vue

@@ -1,5 +1,5 @@
 <template>
-	<div class="n8n-node-icon">
+	<div class="n8n-node-icon" v-bind="$attrs">
 		<div
 			:class="{
 				[$style.nodeIconWrapper]: true,
@@ -7,7 +7,6 @@
 				[$style.disabled]: disabled,
 			}"
 			:style="iconStyleData"
-			v-bind="$attrs"
 		>
 			<!-- ElementUI tooltip is prone to memory-leaking so we only render it if we really need it -->
 			<n8n-tooltip placement="top" :disabled="!showTooltip" v-if="showTooltip">