fix: Make the damn textbox stop unfocusing on message submit

TODO.md

@@ -12,7 +12,7 @@ A more complex version of this list is available [here](https://trello.com/b/kJw
 - [ ] Installation documentation
 - [ ] LaTeX support
 - [ ] Notifications
-- [ ] Make the damn textbox stop unfocusing on every message submit
+- [x] Make the damn textbox stop unfocusing on every message submit
 - [ ] Message context menus
 - [ ] Message Timestamps
 - [x] Markdown Support

src/routes/(main)/channel/[channel]/+page.svelte

@@ -21,7 +21,8 @@
   let textareaRef: HTMLTextAreaElement | undefined = $state();
   let formref: HTMLFormElement | undefined = $state();
 
-  function submit() {
+  function submit(event: Event) {
+    event.preventDefault();
     if (msg.length <= 2000) {
       socket?.sendMessage(data.currentUser, msg);
       if (textareaRef) textareaRef.style.height = '40px';