fix: fix empty model error in luis build while deploying (#2402)

* fix empty model error in luis build

* remove space

Co-authored-by: Qi Kang <qika@microsoft.com>
Co-authored-by: Chris Whitten <christopher.whitten@microsoft.com>

BotProject/Templates/CSharp/Scripts/deploy.ps1

@@ -3,7 +3,7 @@ Param(
 	[string] $environment,
 	[string] $luisAuthoringKey,
 	[string] $luisAuthoringRegion,
-  [string] $language,
+	[string] $language,
 	[string] $projFolder = $(Get-Location),
 	[string] $botPath,
 	[string] $logFile = $(Join-Path $PSScriptRoot .. "deploy_log.txt")
@@ -115,6 +115,9 @@ if ($luisAuthoringKey -and $luisAuthoringRegion) {
 		"models"          = $noneEmptyModels
 	}
 
+	$luString = $noneEmptyModels | Out-String
+	Write-Host $luString
+
 	$luconfigjson | ConvertTo-Json -Depth 100 | Out-File $(Join-Path $remoteBotPath luconfig.json)
 
 	# Execute bf luis:build command
@@ -127,7 +130,7 @@ if ($luisAuthoringKey -and $luisAuthoringRegion) {
 			New-Item -ItemType Directory -Force -Path generated
 		}
 
-		bf luis:build --in .\ --botName $name --authoringKey $luisAuthoringKey --dialog --out .\generated --suffix $customizedEnv -f --region $luisAuthoringRegion
+		bf luis:build --luConfig $(Join-Path $remoteBotPath luconfig.json) --botName $name --authoringKey $luisAuthoringKey --dialog --out .\generated --suffix $customizedEnv -f --region $luisAuthoringRegion
 	}
 	else {
 		Write-Host "bf luis:build does not exist, use the following command to install:"