window object does weird things, rename root ID

when used with (window as any).app, it uses the element with id #app instead

src/lib/components/gradio/gallery/Gallery.svelte

@@ -21,8 +21,8 @@
 		object_fit: "cover",
 		height: "auto"
 	};
- export let imageWidth: number = 1;
- export let imageHeight: number = 1;
+ export let imageWidth: number = 0;
+ export let imageHeight: number = 0;
 
 	const dispatch = createEventDispatcher<{
 		select: SelectData;
@@ -32,8 +32,8 @@
 	let was_reset: boolean = true;
 
     $: if (selected_image == null || was_reset) {
-        imageWidth = 1;
-        imageHeight = 1;
+        imageWidth = 0;
+        imageHeight = 0;
     }
 
 	$: was_reset = value == null || value.length == 0 ? true : was_reset;