fix: hide reply whilst submitting

because often the reply gets displayed in the feed before the sent
confirmation is recieved from the relays so its displayed twice
momentarily

src/lib/components/events/Compose.svelte

@@ -22,12 +22,13 @@
     />
   </div>
   <div class="flex-grow pt-2">
+    {#if !submitting}
       <textarea
-      disabled={submitting}
         bind:value={content}
         class="textarea textarea-primary w-full"
         {placeholder}
       ></textarea>
+    {/if}
     <div class="flex">
       <div class="flex-auto"></div>
       <button