Handle cancelling during hanging stream

src/core/webview/ClineProvider.ts

@@ -446,6 +446,10 @@ export class ClineProvider implements vscode.WebviewViewProvider {
 							}).catch(() => {
 								console.error("Failed to abort task")
 							})
+							if (this.cline) {
+								// 'abandoned' will prevent this cline instance from affecting future cline instance gui. this may happen if its hanging on a streaming request
+								this.cline.abandoned = true
+							}
 							await this.initClineWithHistoryItem(historyItem) // clears task again, so we need to abortTask manually above
 							// await this.postStateToWebview() // new Cline instance will post state when it's ready. having this here sent an empty messages array to webview leading to virtuoso having to reload the entire list
 						}