Fix passkey login button so it mimic password login button.

Author: frjo

hypha/apply/users/templates/users/includes/passkey_login_button.html

@@ -10,8 +10,8 @@
     hidden
     onclick="hypha.passkeys.authenticate()"
 >
-    {% heroicon_micro "key" class="inline size-4" aria_hidden=true %}
-    {% trans "Sign in with passkey" %}
+    {% heroicon_mini "key" size=18 class="opacity-80" aria_hidden=true %}
+    {% trans "Log in with passkey" %}
 </button>
 <p id="passkey-auth-error"
    class="mt-2 text-sm text-error"