fix filters (codesandbox#3791)

Author: SaraVieira

packages/app/src/app/overmind/namespaces/comments/state.ts

@@ -144,16 +144,17 @@ export const state: State = {
       comment =>
         comment.parentComment == null && comment.id !== OPTIMISTIC_COMMENT_ID
     );
-
     switch (selectedCommentsFilter) {
       case CommentsFilterOption.ALL:
         return rootComments.sort(sortByInsertedAt);
       case CommentsFilterOption.RESOLVED:
-        return rootComments.sort(sortByInsertedAt);
+        return rootComments
+          .filter(comment => comment.isResolved)
+          .sort(sortByInsertedAt);
       case CommentsFilterOption.OPEN:
-        return rootComments.sort(sortByInsertedAt);
-      case CommentsFilterOption.MENTIONS:
-        return rootComments.sort(sortByInsertedAt);
+        return rootComments
+          .filter(comment => !comment.isResolved)
+          .sort(sortByInsertedAt);
       default:
         return [];
     }

packages/common/src/types/index.ts

@@ -315,7 +315,6 @@ export enum CommentsFilterOption {
   ALL = 'All',
   OPEN = 'Open',
   RESOLVED = 'Resolved',
-  MENTIONS = 'Mentions',
 }
 
 export type Sandbox = {