Bug 1657237 - Address Bar flashes punycode when loading page.r=mak

Differential Revision: https://phabricator.services.mozilla.com/D192696

browser/components/urlbar/UrlbarInput.sys.mjs

@@ -2762,12 +2762,18 @@ export class UrlbarInput {
   ) {
     // No point in setting these because we'll handleRevert() a few rows below.
     if (openUILinkWhere == "current") {
+      // Make sure URL is formatted properly (don't show punycode).
+      let formattedURL = url;
+      try {
+        formattedURL = new URL(formattedURL).URI.displaySpec;
+      } catch {}
+
       this.value =
         lazy.UrlbarPrefs.get("showSearchTermsFeatureGate") &&
         lazy.UrlbarPrefs.get("showSearchTerms.enabled") &&
         resultDetails?.searchTerm
           ? resultDetails.searchTerm
-          : url;
+          : formattedURL;
       browser.userTypedValue = this.value;
     }