Merge pull request microsoft#141929 from microsoft/joh/fix504

Author: jrieken

src/vs/editor/browser/services/openerService.ts

@@ -216,8 +216,8 @@ export class OpenerService implements IOpenerService {
 			// open the url-string AS IS
 			href = resource;
 		} else {
-			// open URI via "new URL(...).href encoding"
-			href = new URL(externalUri.toString(true)).href;
+			// open URI using the toString(noEncode)+encodeURI-trick
+			href = encodeURI(externalUri.toString(true));
 		}
 
 		if (options?.allowContributedOpeners) {