TF-4356 Add filter event mail in search (#4357)

* Add `Events` filter checkbox in Advanced Search form
* Perform search email by `Events` filter in Advanced Search form
* Add `Event` quick search button in Search view
* Use `keywords` replace to `headers` for search event filter

lib/features/search/email/presentation/search_email_controller.dart

@@ -24,6 +24,7 @@ import 'package:model/email/prefix_email_address.dart';
 import 'package:model/email/presentation_email.dart';
 import 'package:model/email/read_actions.dart';
 import 'package:model/extensions/email_address_extension.dart';
+import 'package:model/extensions/keyword_identifier_extension.dart';
 import 'package:model/extensions/list_presentation_email_extension.dart';
 import 'package:model/extensions/presentation_email_extension.dart';
 import 'package:model/extensions/presentation_mailbox_extension.dart';
@@ -640,10 +641,10 @@ class SearchEmailController extends BaseController
     _searchEmailAction();
   }
 
-  void selectStarredSearchFilter() {
+  void selectKeywordsSearchFilter(KeyWordIdentifier keyword) {
     final listKeyword = listHasKeywordFiltered;
-    if (!listKeyword.contains(KeyWordIdentifier.emailFlagged.value)) {
-      listKeyword.add(KeyWordIdentifier.emailFlagged.value);
+    if (!listKeyword.contains(keyword.value)) {
+      listKeyword.add(keyword.value);
     }
     _updateSimpleSearchFilter(hasKeywordOption: Some(listKeyword));
     _searchEmailAction();
@@ -1090,6 +1091,9 @@ class SearchEmailController extends BaseController
       case QuickSearchFilter.unread:
         _deleteUnreadSearchFilter();
         break;
+      case QuickSearchFilter.events:
+        _deleteEventsSearchFilter();
+        break;
       case QuickSearchFilter.labels:
         deleteQuickSearchFilter(filter: QuickSearchFilter.labels);
         break;
@@ -1140,7 +1144,11 @@ class SearchEmailController extends BaseController
   }
 
   void _deleteStarredSearchFilter() {
-    _updateSimpleSearchFilter(hasKeywordOption: const None());
+    final keywords = {...listHasKeywordFiltered}
+      ..remove(KeyWordIdentifier.emailFlagged.value);
+    _updateSimpleSearchFilter(
+      hasKeywordOption: keywords.isEmpty ? const None() : Some(keywords),
+    );
     _searchEmailAction();
   }
 
@@ -1149,6 +1157,15 @@ class SearchEmailController extends BaseController
     _searchEmailAction();
   }
 
+  void _deleteEventsSearchFilter() {
+    final keywords = {...listHasKeywordFiltered}
+      ..remove(KeyWordIdentifierExtension.eventsMail.value);
+    _updateSimpleSearchFilter(
+      hasKeywordOption: keywords.isEmpty ? const None() : Some(keywords),
+    );
+    _searchEmailAction();
+  }
+
   void clearAllSearchFilterApplied() {
     textInputSearchController.clear();
     currentSearchText.value = '';