RTL: fix toot privacy preferences radio buttonss (#9146)

app/javascript/styles/mastodon/rtl.scss

@@ -374,4 +374,9 @@ body.rtl {
     padding-left: 0;
     padding-right: 10px;
   }
+
+  .simple_form .input.radio_buttons .radio > label input {
+    left: auto;
+    right: 0;
+  }
 }