TF-145 Implement LoadMoreEmails in ThreadView

model/lib/extensions/list_email_extension.dart

@@ -8,7 +8,7 @@ import 'package:jmap_dart_client/jmap/core/extensions/unsigned_int_extension.dar
 
 extension ListEmailExtension on List<Email> {
 
-  Email? findEmail(EmailId emailId) {
+  Email? findEmailById(EmailId emailId) {
     try {
       return firstWhere((email) => email.id == emailId);
     } catch (e) {

model/lib/extensions/list_extension.dart

@@ -1,7 +1,7 @@
 
 extension ListExtension<T> on List<T>? {
 
-  List<T>? union(List<T>? other) {
+  List<T>? unite(List<T>? other) {
     if (other != null) {
       this?.addAll(other);
     }