Fix NuGet API calls in install script (#287)

* Fix NuGet API calls in install script

* Update for bash

* Update workload-install.sh

workload/scripts/workload-install.ps1

@@ -86,7 +86,7 @@ function Get-LatestVersion([string]$Id) {
     {
         try
         {
-            $Response = Invoke-WebRequest -Uri https://api.nuget.org/v3-flatcontainer/$Id/index.json -UseBasicParsing | ConvertFrom-Json
+            $Response = Invoke-WebRequest -Uri https://api.nuget.org/v3-flatcontainer/$($Id.ToLowerInvariant())/index.json -UseBasicParsing | ConvertFrom-Json
             return $Response.versions | Select-Object -Last 1
         }
         catch {

workload/scripts/workload-install.sh

@@ -188,7 +188,7 @@ function install_tizenworkload() {
 
     # Check latest version of manifest.
     if [[ "$MANIFEST_VERSION" == "<latest>" ]]; then
-        MANIFEST_VERSION=$(curl -s https://api.nuget.org/v3-flatcontainer/$MANIFEST_NAME/index.json | grep \" | tail -n 1 | tr -d '\r' | xargs)
+        MANIFEST_VERSION=$(curl -s https://api.nuget.org/v3-flatcontainer/${MANIFEST_NAME,,}/index.json | grep \" | tail -n 1 | tr -d '\r' | xargs)
         if [ -n "$MANIFEST_VERSION" ] && echo "$MANIFEST_VERSION" | grep -q "BlobNotFound"; then
             MANIFEST_VERSION=$(getLatestVersion "$MANIFEST_NAME")
             if [[ -n $MANIFEST_VERSION ]]; then