Fix package ID length adjustment logic in Get-BcNuGetPackageId function

Author: MoritzTSR

NuGet/Get-BcNuGetPackageId.ps1

@@ -49,8 +49,8 @@ function Get-BcNuGetPackageId {
     # Max. Length of NuGet Package Id is 100 - we shorten the name part of the id if it is too long
     $packageId = $packageIdTemplate.replace('{name}',$nname)
     if ($packageId.Length -gt 100) {
-        if ($nname.Length -gt ($packageId.Length - 99)) {
-            $nname = $nname.Substring(0, $nname.Length - ($packageId.Length - 99))
+        if ($nname.Length -gt ($packageId.Length - 100)) {
+            $nname = $nname.Substring(0, $nname.Length - ($packageId.Length - 100))
         }
         else {
             throw "Package id is too long: $packageId, unable to shorten it"