HPCC-10066 Add missing "Open in new window" buttons

Add missing Open In New Window buttons.
Moved Hex Preview to "Open" location.

Fixes HPCC-10066

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #4861 from GordonSmith/HPCC-10066_AddNewPageButtons

HPCC-10066 Add missing "Open in new window" buttons

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>