fix: Add python.path system property

Author: LukeSavefrogs

action.yml

@@ -144,7 +144,15 @@ runs:
         mkdir -p ~/.local/bin;
         case "${{ steps.find_installer.outputs.file_type }}" in
           class)
-            jython_cmd="java -verbose -Dpython.home=${installation_path} -cp ${installation_path}/jython.jar org.python.util.jython \"\$@\""
+            # cat installer/jython_template.unix_sh
+            # #!/bin/sh
+            # ###############################################################################
+            # #
+            # # This file generated by Jython installer
+            # # Created on XXX by @user.name@
+            #
+            # "@jvm@" -Dpython.home="@location._top_@" -classpath "@location._top_@/jython.jar:$CLASSPATH" "@classname@" "$@"
+            jython_cmd="java -verbose -Dpython.path=${installation_path} -Dpython.home=${installation_path} -cp ${installation_path}/jython.jar org.python.util.jython \"\$@\""
           ;;
 
           jar)
@@ -162,7 +170,7 @@ runs:
       run: |
         $installation_path = Convert-Path "${{ inputs.installation-path }}"
         if ("${{ steps.find_installer.outputs.file_type }}" -eq "class")  {
-          $jython_cmd = "java -Dpython.home=$installation_path -cp $installation_path\jython.jar org.python.util.jython %*"
+          $jython_cmd = "java -Dpython.path=${installation_path} -Dpython.home=$installation_path -cp $installation_path\jython.jar org.python.util.jython %*"
         } else {
           $jython_cmd = "java -jar $installation_path\jython.jar %*"
         }
@@ -174,6 +182,7 @@ runs:
       if: runner.os != 'Windows'
       shell: bash
       run: echo ~/.local/bin >> $GITHUB_PATH
+
     - name: Add to PATH (Windows)
       if: runner.os == 'Windows'
       shell: pwsh