Use new icons

src/app/components/ChannelComposeParent.svelte

@@ -2,6 +2,7 @@
   import type {TrustedEvent} from "@welshman/util"
   import {displayProfileByPubkey} from "@welshman/app"
   import {slide} from "@lib/transition"
+  import CloseCircle from "@assets/icons/close-circle.svg?dataurl"
   import Icon from "@lib/components/Icon.svelte"
   import Button from "@lib/components/Button.svelte"
   import NoteContent from "@app/components/NoteContent.svelte"
@@ -30,6 +31,6 @@
       expandMode="disabled" />
   {/key}
   <Button class="absolute right-2 top-2 cursor-pointer" onclick={clear}>
-    <Icon icon="close-circle" />
+    <Icon icon={CloseCircle} />
   </Button>
 </div>