src/vs/workbench/contrib/terminal/browser/terminalProfileResolverService.ts/BaseTerminalProfileResolverService/_guessProfileIcon
class BaseTerminalProfileResolverService:	private _guessProfileIcon(shell: string): ThemeIcon | undefined {
		const file = path.parse(shell).name;
		switch (file) {
			case 'bash':
				return Codicon.terminalBash;
			case 'pwsh':
			case 'powershell':
				return Codicon.terminalPowershell;
			case 'tmux':
				return Codicon.terminalTmux;
			case 'cmd':
				return Codicon.terminalCmd;
			default:
				return undefined;
		}
	}