if jdk is build with jep-493-flag, use jimage to extract wixhelper

.github/workflows/win-exe.yml

@@ -102,10 +102,13 @@ jobs:
         id: jep-493-check
         run: |
           JMOD_PATHS="openjfx-jmods"
+          JVM_JMODS_PRESENT="false"
           if ! $(${JAVA_HOME}/bin/jlink --help | grep -q "Linking from run-time image enabled"); then
             JMOD_PATHS="${JAVA_HOME}/jmods;${JMOD_PATHS}"
+            JVM_JMODS_PRESENT="true"
           fi
           echo "jmod_paths=${JMOD_PATHS}" >> "$GITHUB_OUTPUT"
+          echo "jvm-with-jmods=${JVM_JMODS_PRESENT}" >> "$GITHUB_OUTPUT"
       - name: Run jlink
         # Remark: no compression is applied for improved build compression later (here msi)
         run: >
@@ -185,9 +188,13 @@ jobs:
       - name: Extract wixhelper.dll for Codesigning #see https://github.com/cryptomator/cryptomator/issues/3130
         shell: pwsh
         run: |
-          New-Item -Path appdir/jpackage-jmod -ItemType Directory
-          & $env:JAVA_HOME\bin\jmod.exe extract --dir jpackage-jmod "${env:JAVA_HOME}\jmods\jdk.jpackage.jmod"
-          Get-ChildItem -Recurse -Path "jpackage-jmod" -File wixhelper.dll | Select-Object -Last 1 | Copy-Item -Destination "appdir"
+          $extractDir = New-Item -Path ".\dir-with-wixhelper" -ItemType Directory
+          if( '${{ steps.jep-493-check.outputs.jvm-with-jmods }}' -eq 'true' ) {
+              & $env:JAVA_HOME\bin\jmod.exe extract --dir=$extractDir "${env:JAVA_HOME}\jmods\jdk.jpackage.jmod"
+          } else {
+              & $env:JAVA_HOME\bin\jimage.exe extract --dir=$extractDir "${env:JAVA_HOME}\lib\modules"
+          }
+          Get-ChildItem -Recurse -Path $extractDir -File wixhelper.dll | Select-Object -Last 1 | Copy-Item -Destination "appdir"
       - name: Sign DLLs with Azure Trusted Signing
         if: inputs.sign || github.event_name == 'release'
         uses: ./.github/actions/win-sign-action