Improve warning response rendering

web/views/board.templ

@@ -9,9 +9,7 @@ import (
 )
 
 templ NewThreadForm(board database.Board) {
-	<div style="display: none;" id="newPostWarning" class="warning">
-		<p>Please wait until the 2 minute cooldown is finished.</p>
-	</div>
+	<div style="display: none;" id="newPostWarning" class="warning"></div>
 	<form
 		hx-encoding="multipart/form-data"
 		style="display: none;"
@@ -29,6 +27,7 @@ templ NewThreadForm(board database.Board) {
 			then trigger refreshThreads on body
 		else
 			show #newPostWarning
+			then put event.detail.xhr.responseText into #newPostWarning
 		end"
 	>
 		<table>