Fix pro activation (#602)

- Only randomize uuid for personal licenses
- Add warning annotation for license activation retries
- add `engineExitCode` output
- repo/code cleanup

dist/default-build-script/ProjectSettings/XRSettings.asset

@@ -1,10 +0,0 @@
-{
-    "m_SettingKeys": [
-        "VR Device Disabled",
-        "VR Device User Alert"
-    ],
-    "m_SettingValues": [
-        "False",
-        "False"
-    ]
-}