HPCC-11531 Rename "Edit" to "Open" and change button order

...to ensure consistency with other pages.
Add Icon to User Details page and Groups Details page

Fixes HPCC-11531

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5961 from GordonSmith/HPCC-11531

HPCC-11531 Rename "Edit" to "Open" and change button order

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>