HPCC-11588 Better timeout for Roxie's initial dali connect

When first connecting to Dali, Roxie should wait longer (if lockDali not set),
or not at all (if it is). This helps avoid duplicated work at startup.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #5989 from richardkchapman/roxie-dali-race

HPCC-11588 Better timeout for Roxie's initial dali connect

Reviewed-By: Gavin Halliday <gavin.halliday@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>