Lazy load extra network images

html/extra-networks-card.html

-<div class='card' {preview_html} onclick={card_clicked}>
-	{metadata_button}
-
+<div class='card' onclick={card_clicked}>
+    {preview_html}
+    {metadata_button}
 	<div class='actions'>
 		<div class='additional'>
 			<ul>

modules/ui_extra_networks.py

@@ -131,7 +131,7 @@ class ExtraNetworksPage:
             metadata_button = f"<div class='metadata-button' title='Show metadata' onclick={metadata_onclick}></div>"
 
         args = {
-            "preview_html": "style='background-image: url(\"" + html.escape(preview) + "\")'" if preview else '',
+            "preview_html": f'<img src="{html.escape(preview)}" class="preview" loading="lazy">' if preview else '',
             "prompt": item.get("prompt", None),
             "tabname": json.dumps(tabname),
             "local_preview": json.dumps(item["local_preview"]),

style.css

@@ -1026,6 +1026,13 @@ footer {
     color: red;
 }
 
+.extra-network-cards .card .preview{
+    position: absolute;
+    object-fit: cover;
+    width: 100%;
+    height:100%;
+}
+
 [id*='_prompt_container'] > div {
 	margin: 0!important;
 }