Render button _action value as hidden input

app/components/SubmitButton.tsx

@@ -32,16 +32,24 @@ export function SubmitButton({
     return undefined;
   };
 
+  // render action as hidden input to deal with a bug in older Safari versions
+  const isActionValue = name() === "_action";
+
   return (
-    <Button
-      {...rest}
-      disabled={rest.disabled || isSubmitting}
-      type="submit"
-      name={name()}
-      value={value()}
-      data-testid={testId ?? "submit-button"}
-    >
-      {children}
-    </Button>
+    <>
+      {isActionValue ? (
+        <input type="hidden" name="_action" value={_action} />
+      ) : null}
+      <Button
+        {...rest}
+        disabled={rest.disabled || isSubmitting}
+        type="submit"
+        name={!isActionValue ? name() : undefined}
+        value={!isActionValue ? value() : undefined}
+        data-testid={testId ?? "submit-button"}
+      >
+        {children}
+      </Button>
+    </>
   );
 }