Trim the output for the telemetry event

Whitespace is typically meaningless and could cloud the meaning we're
trying to understand with the event

Author: Tyriar

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

@@ -391,7 +391,7 @@ export class RunInTerminalTool extends Disposable implements IToolImpl {
 				this._logService.debug(`RunInTerminalTool: Using \`${strategy.type}\` execute strategy for command \`${command}\``);
 				const executeResult = await strategy.execute(command, token);
 				this._logService.debug(`RunInTerminalTool: Finished \`${strategy.type}\` execute strategy with exitCode \`${executeResult.exitCode}\`, result.length \`${executeResult.output?.length}\`, error \`${executeResult.error}\``);
-				outputLineCount = executeResult.output === undefined ? 0 : count(executeResult.output, '\n') + 1;
+				outputLineCount = executeResult.output === undefined ? 0 : count(executeResult.output.trim(), '\n') + 1;
 				exitCode = executeResult.exitCode;
 				error = executeResult.error;