option QSQLITE_OPEN_READONLY clobbers QSQLITE_OPEN_URI

The option QSQLITE_OPEN_URI is suppressed if followed by QSQLITE_OPEN_READONLY in the option string.

I.e., this doesn't work as expected:

database.setConnectOptions("QSQLITE_ENABLE_SHARED_CACHE;QSQLITE_OPEN_URI;QSQLITE_OPEN_READONLY")

This works:

database.setConnectOptions("QSQLITE_OPEN_READONLY;QSQLITE_ENABLE_SHARED_CACHE;QSQLITE_OPEN_URI")

Commit 1f6dfa774959830a915f3e2a7b0561ca29b8c485 introduced QSQLITE_OPEN_URI and exposes the problem with QSQLITE_OPEN_READONLY.

See qsql_sqlite.cpp