Fix emoji reactivity bug — radicle-desktop

The emoji list would not update correctly when adding and removing emojis.

   import type { Author } from "@bindings/cob/Author";
   import type { Reaction } from "@bindings/cob/Reaction";
   import { twemoji } from "@app/lib/utils";
   import { emojiToTwemoji } from "@app/lib/utils";
   interface Props {
     reactions: Reaction[];

               await handleReaction(authors, emoji);
             }
           }}>
           <span use:twemoji={{ exclude: ["21a9"] }}>{emoji}</span>
           <span>{@html emojiToTwemoji(emoji, ["21a9"])}</span>
           <span>{authors.length}</span>
         </div>
       {:else}
         <div class="reaction txt-tiny" style="padding: 2px 4px;">
           <span use:twemoji={{ exclude: ["21a9"] }}>{emoji}</span>
           <span>{@html emojiToTwemoji(emoji, ["21a9"])}</span>
           <span>{authors.length}</span>
         </div>
       {/if}

   return new Date(timestamp).toUTCString();
 };
 // Svelte action for replacing emojis within an element with Twemoji SVGs.
 // This action is non-reactive; it only runs when the element is mounted.
 //
 // Usage: <span use:twemoji>👍</span>
 export function twemoji(
   node: HTMLElement,
   { exclude }: { exclude: string[] } = { exclude: [] },

   });
 }
 // Converts a single emoji character to an <img> tag using Twemoji SVG assets.
 // This function is useful in reactive contexts where Svelte actions won't
 // re-run automatically.
 //
 // Usage: <span>{@html emojiToTwemoji("👍")}</span>
 export function emojiToTwemoji(emoji: string, exclude?: string[]) {
   const filename = emoji.codePointAt(0)?.toString(16);
   if (!filename || exclude?.includes(filename)) {
     return "";
   }
   return `<img alt="${emoji}" src="/twemoji/${filename}.svg" class="txt-emoji">`;
 }
 export function scrollIntoView(id: string, options?: ScrollIntoViewOptions) {
   const lineElement = document.getElementById(id);
   if (lineElement) {