Fix terminal tool in msbench (microsoft#258287)

- Also copy toolSpecificData when not in a chat session
- Allow invoking tool when not in a chat session

Author: roblourens

src/vs/workbench/contrib/chat/browser/languageModelToolsService.ts

@@ -305,6 +305,8 @@ export class LanguageModelToolsService extends Disposable implements ILanguageMo
 						throw new CancellationError();
 					}
 				}
+
+				dto.toolSpecificData = prepared?.toolSpecificData;
 			}
 
 			if (token.isCancellationRequested) {

src/vs/workbench/contrib/terminalContrib/chatAgentTools/browser/runInTerminalTool.ts

@@ -264,11 +264,7 @@ export class RunInTerminalTool extends Disposable implements IToolImpl {
 		}
 		let toolResultMessage: string | IMarkdownString | undefined;
 
-		const chatSessionId = invocation.context?.sessionId;
-		if (!invocation.context || chatSessionId === undefined) {
-			throw new Error('A chat session ID is required for this tool');
-		}
-
+		const chatSessionId = invocation.context?.sessionId ?? 'no-chat-session';
 		const command = toolSpecificData.commandLine.userEdited ?? toolSpecificData.commandLine.toolEdited ?? toolSpecificData.commandLine.original;
 		const didUserEditCommand = (
 			toolSpecificData.commandLine.userEdited !== undefined &&