Fix for refresh button

Author: osortega

src/github/copilotPrWatcher.ts

@@ -41,6 +41,13 @@ export class CopilotStateModel extends Disposable {
 		this._onRefresh.fire();
 	}
 
+	forceClear(): void {
+		this._isInitialized = false;
+		this._states.clear();
+		this._showNotification.clear();
+		this._onRefresh.fire();
+	}
+
 	makeKey(owner: string, repo: string, prNumber?: number): string {
 		if (prNumber === undefined) {
 			return `${owner}/${repo}`;

src/github/copilotRemoteAgent.ts

@@ -1535,8 +1535,9 @@ export class CopilotRemoteAgentManager extends Disposable {
 		}
 	}
 
-	public refreshChatSessions(): void {
-		this._stateModel.clear();
+	public async refreshChatSessions(): Promise<void> {
+		this._stateModel.forceClear();
+		this._onDidChangeChatSessions.fire();
 	}
 
 	public async cancelMostRecentChatSession(pullRequest: PullRequestModel): Promise<void> {