fix(auth): encode ',' as %2C for correctly importing later on

auth/lib/models/code.dart

@@ -257,15 +257,6 @@ class Code {
     throw UnsupportedError("Unsupported format with host ${uri.host}");
   }
 
-  String get rawDataWithoutDisplay {
-    return jsonEncode(
-      Uri.parse(
-        "$rawData&codeDisplay="
-        "${jsonEncode(display.toJson())}",
-      ).toString(),
-    );
-  }
-
   @override
   bool operator ==(Object other) {
     if (identical(this, other)) return true;

auth/lib/models/code_display.dart

@@ -56,7 +56,8 @@ class CodeDisplay {
 
   static CodeDisplay? fromUri(Uri uri) {
     if (!uri.queryParameters.containsKey("codeDisplay")) return null;
-    final String codeDisplay = uri.queryParameters['codeDisplay']!;
+    final String codeDisplay =
+        uri.queryParameters['codeDisplay']!.replaceAll('%2C', ',');
     final decodedDisplay = jsonDecode(codeDisplay);
 
     return CodeDisplay.fromJson(decodedDisplay);

auth/lib/ui/settings/data/export_widget.dart

@@ -175,7 +175,7 @@ Future<String> _getAuthDataForExport() async {
   String data = "";
   for (final code in allCodes) {
     if (code.hasError) continue;
-    data += "${code.rawDataWithoutDisplay}\n";
+    data += "${code.rawData.replaceAll(',', '%2C')}\n";
   }
 
   return data;