Update fix-opera.sh: Change Widevine download logic to:
- Iterate through all versions from newest to oldest.
- Test each candidate URL with curl --fail.
- Select the first available version.
- Exit gracefully if none are found.
Change Widevine download logic to:
- Iterate through all versions from newest to oldest.
- Test each candidate URL with curl --fail.
- Select the first available version.
- Exit gracefully if none are found.