Signature is invalid on app-image after it was install/deployed via DMG or PKG.

PKG issue:
1) jpackage --type pkg -i input -n Test --main-class components.DynamicTreeDemo --main-jar DynamicTreeDemo.jar --mac-sign
2) Install pkg file
3) Verify signature and it will not be valid signature.
codesign -vvvv /Applications/Test.app
/Applications/Test.app: a sealed resource is missing or invalid
file added: /Applications/Test.app/Contents/app/.package
file missing: /Applications/Test.app/Contents/app/.jpackage.xml

DMG issue:
1) jpackage --type dmg -i input -n Test --main-class components.DynamicTreeDemo --main-jar DynamicTreeDemo.jar --mac-sign
2) Mount DMG file
3) Verify signature and it will not be valid signature.
codesign -vvvv /Volumes/Test/Test.app
/Volumes/Test/Test.app: a sealed resource is missing or invalid
file added: /Volumes/Test/Test.app/Contents/app/.package
file missing: /Volumes/Test/Test.app/Contents/app/.jpackage.xml

App-image DMG issue:
1) jpackage --type app-image -i input -n Test --main-class components.DynamicTreeDemo --main-jar DynamicTreeDemo.jar --mac-sign
2) jpackage --type dmg --app-image Test.app
3) Verify signature and it will not be valid signature.
codesign -vvv /Volumes/Test/Test.app
/Volumes/Test/Test.app: a sealed resource is missing or invalid
file added: /Volumes/Test/Test.app/Contents/app/.package
file modified: /Volumes/Test/Test.app/Contents/runtime/Contents/Home/legal/java.compiler/COPYRIGHT
.....
file modified: /Volumes/Test/Test.app/Contents/runtime/Contents/Home/legal/jdk.zipfs/LICENSE
file missing: /Volumes/Test/Test.app/Contents/app/.jpackage.xml

App-image PKG issue:
Same as "App-image DMG issue".