Update issue_details.ts (#4199)

You should implement the interface here, not yourself

space/store/issue_details.ts

@@ -54,7 +54,7 @@ export interface IIssueDetailStore {
   removeIssueVote: (workspaceId: string, projectId: string, issueId: string) => Promise<void>;
 }
 
-class IssueDetailStore implements IssueDetailStore {
+class IssueDetailStore implements IIssueDetailStore {
   loader: boolean = false;
   error: any = null;
   peekId: string | null = null;