change attach and detach icons,

imrpove action bar layout

Signed-off-by: Arthur Lu <learthurgo@gmail.com>

css/form.css

@@ -81,4 +81,5 @@ hr {
 	display: flex; 
 	justify-content: flex-end; 
 	align-items: center;
+	column-gap: 5px;
 }