[2.7] bpo-34019: Fix wrong arguments for Opera Browser (GH-8047) (#8126)

The Opera Browser was using a outdated command line invocation that resulted in an incorrect URL being opened in the browser when requested using the webbrowser module.

* Correct the arguments passed to the Opera Browser when opening a new URL..
(cherry picked from commit 3cf1f154edb88c108877729ea09f4ac174697fea)

Co-authored-by: Bumsik Kim <k.bumsik@gmail.com>
2 files changed