refactor: Reduce repetition by adding icon arguments to Button

src/routes/contributors/ContributorSection.svelte

@@ -25,7 +25,7 @@
 		<a href={url} rel="noreferrer" target="_blank" on:click|stopPropagation>
 			<h4>{name}</h4>
 		</a>
-		<div id="arrow" style:transform={expanded ? 'rotate(0deg)' : 'rotate(-180deg)'}>
+		<div id="arrow" style:transform={expanded ? 'rotate(0deg)' : 'rotate(180deg)'}>
 			<ChevronUp size="24px" color="var(--surface-six)" />
 		</div>
 	</div>

src/routes/download/+page.svelte

@@ -91,13 +91,16 @@
 	<div class="buttons">
 		<Query {query} let:data>
 			{#if !isAndroid || androidVersion < 8}
-				<Button on:click={handleClick} type="filled">
-					<TrayArrowDown size="20px" />
+				<Button on:click={handleClick} icon={TrayArrowDown} type="filled">
 					{data.release.version}
 				</Button>
 			{:else}
-				<Button on:click={handleClick} type="filled" href={data.release.download_url}>
-					<TrayArrowDown size="20px" />
+				<Button
+					on:click={handleClick}
+					icon={TrayArrowDown}
+					type="filled"
+					href={data.release.download_url}
+				>
 					{data.release.version}
 				</Button>
 			{/if}