fix(webui): IconButton passes down `plain` attribute

also has valid markup

webui/src/lib/components/utils/IconButton.svelte

@@ -23,10 +23,10 @@
 	{title}
 	style="--color: {color}"
 >
-	<Icon {name} />
-	<div class="text">
+	<Icon {plain} {name} />
+	<span class="text">
 		<slot />
-	</div>
+	</span>
 </button>
 
 <style lang="scss">
@@ -45,9 +45,6 @@
 			padding: 0;
 		}
 
-		display: flex;
-		align-items: center;
-
 		transition:
 			opacity 0.2s,
 			color 0.2s,
@@ -81,6 +78,7 @@
 	}
 
 	.text {
+		display: block;
 		font-size: 0.5em;
 		text-align: center;
 		margin-top: 0.2em;