ask/web Chrome launch: AppBotPipe focusless guard allowlist

ChromeLauncher uses UseShellExecute=true+WindowStyle.Minimized so Chrome opens minimized (taskbar only, no focus theft). AppBotPipe.StartTracked's focusless guard used to block every Verb-less UseShellExecute, killing Chrome startup and breaking ask/web/triad paths. Guard now allowlists WindowStyle=Minimized/Hidden since they're inherently non-focus-stealing.

Steps