Use new icons

src/app/components/Reaction.svelte

@@ -1,5 +1,7 @@
 <script lang="ts">
   import {parse, isEmoji, renderAsHtml} from "@welshman/content"
+  import Heart from "@assets/icons/heart-angle.svg?dataurl"
+  import ThumbsDown from "@assets/icons/dislike.svg?dataurl"
   import Icon from "@lib/components/Icon.svelte"
   import ContentEmoji from "@app/components/ContentEmoji.svelte"
 
@@ -7,9 +9,9 @@
 </script>
 
 {#if event.content === "+" || event.content === ""}
-  <Icon icon="heart" />
+  <Icon icon={Heart} />
 {:else if event.content === "-"}
-  <Icon icon="thumbs-down" />
+  <Icon icon={ThumbsDown} />
 {:else}
   {#each parse(event) as parsed}
     {#if isEmoji(parsed)}