Reduce Windows script 127 issues after switching from servercore to s…

…erver images (#433)

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

lib/compute/agent-nodes.ts

@@ -227,7 +227,7 @@ export class AgentNodes {
       initScript: 'echo %USERNAME% && dockerd --register-service && net start docker && echo started docker deamon && docker ps && '
           + 'echo initializing docker images now waiting for 5min && git clone https://github.com/opensearch-project/opensearch-build.git && '
           + 'bash.exe -c "docker run --rm -it  --name docker-windows-test -d `opensearch-build/docker/ci/get-ci-images.sh '
-          + '-p windows2019-servercore -u opensearch -t build | head -1` bash.exe && sleep 5" && docker exec docker-windows-test whoami && '
+          + '-p windows2019 -u opensearch -t build | head -1` bash.exe && sleep 5" && docker exec docker-windows-test whoami && '
           + 'docker ps && docker stop docker-windows-test && docker ps && rm -rf opensearch-build',
       remoteFs: 'C:/Users/Administrator/jenkins',
     };
@@ -244,7 +244,7 @@ export class AgentNodes {
       initScript: 'echo %USERNAME% && dockerd --register-service && net start docker && echo started docker deamon && docker ps && '
           + 'echo initializing docker images now waiting for 5min && git clone https://github.com/opensearch-project/opensearch-build.git && '
           + 'bash.exe -c "docker run --rm -it  --name docker-windows-test -d `opensearch-build/docker/ci/get-ci-images.sh '
-          + '-p windows2019-servercore -u opensearch -t build | head -1` bash.exe && sleep 5" && docker exec docker-windows-test whoami && '
+          + '-p windows2019 -u opensearch -t build | head -1` bash.exe && sleep 5" && docker exec docker-windows-test whoami && '
           + 'docker ps && docker stop docker-windows-test && docker ps && rm -rf opensearch-build',
       remoteFs: 'C:/Users/Administrator/jenkins',
     };