src/vs/workbench/contrib/terminal/browser/terminalView.ts/TerminalViewPane/shouldShowWelcome
class TerminalViewPane:	override shouldShowWelcome(): boolean {
		this._isWelcomeShowing = !this._terminalService.isProcessSupportRegistered && this._terminalService.instances.length === 0;
		return this._isWelcomeShowing;
	}