rename to less confusing name;

because it's about the state change not if it's currently resolved.

resources/js/beatmap-discussions/discussion.tsx

@@ -91,7 +91,7 @@ export class Discussion extends React.Component<Props> {
   }
 
   @computed
-  private get resolvedSystemPostId() {
+  private get resolvedStateChangedPostId() {
     // TODO: handling resolved status in bundles....?
     if (this.props.discussionsState == null) return -1;
 
@@ -236,7 +236,7 @@ export class Discussion extends React.Component<Props> {
         post={post}
         read={this.isRead(post)}
         readonly={this.readonly}
-        resolved={post.id <= this.resolvedSystemPostId}
+        resolvedStateChangedPostId={this.resolvedStateChangedPostId}
         store={this.props.store}
         type={type}
         user={user}

resources/js/beatmap-discussions/post.tsx

@@ -41,7 +41,7 @@ interface Props {
   post: BeatmapsetDiscussionMessagePostJson;
   read: boolean;
   readonly: boolean;
-  resolved: boolean;
+  resolvedStateChangedPostId: number;
   store: BeatmapsetDiscussionsStore;
   type: string;
   user: UserJson;
@@ -50,7 +50,7 @@ interface Props {
 @observer
 export default class Post extends React.Component<Props> {
   static defaultProps = {
-    resolved: false,
+    resolvedStateChangedPostId: -1,
   };
 
   @observable private canSave = true; // this isn't computed because Editor's onChange doesn't provide anything to react to.
@@ -85,7 +85,7 @@ export default class Post extends React.Component<Props> {
     return this.isAdmin
       || (!downloadLimited(this.beatmapset)
         && this.isOwn
-        && !this.props.resolved
+        && this.props.post.id > this.props.resolvedStateChangedPostId
         && !this.beatmapset.discussion_locked
       );
   }