"Assets cooking requested?" check is flawed

[Xymanek]

X2ModBuildCommon/build_common.ps1

Lines 506 to 509 in dd56828

	if (($this.contentOptions.sfStandalone.Length -lt 1) -and ($this.contentOptions.sfMaps.Length -lt 1)) {
	Write-Host "No asset cooking is requested, skipping"
	return
	}

Doesn't account for collection maps

[Xymanek]

Related: #14

[Xymanek]

No longer relevant with the change to DLC cook (#46)