fix: Join style on iOS. closes: #3691

Author: saadeghi

packages/daisyui/src/components/button.css

@@ -1,3 +1,6 @@
+:where(.btn) {
+  width: unset;
+}
 .btn {
   @apply inline-flex shrink-0 cursor-pointer flex-nowrap items-center justify-center gap-1.5 text-center align-middle outline-offset-2 select-none;
   padding-inline: var(--btn-p);