fix multi-select dashboard filter clickthroughs for native query questions

frontend/src/metabase/lib/urls.js

@@ -11,8 +11,13 @@ export function question(cardId, hash = "", query = "") {
     }
     if (query && typeof query === "object") {
         query = Object.entries(query)
-            .map(kv => kv.map(encodeURIComponent).join("="))
-            .join("&");
+            .map(kv => {
+                if (Array.isArray(kv[1])) {
+                    return kv[1].map(v => `${kv[0]}=${v}`).join('&');
+                } else {
+                    return kv.map(encodeURIComponent).join("=");
+                }
+            }).join("&");
     }
     if (hash && hash.charAt(0) !== "#") {
         hash = "#" + hash;