HPCC-12468 Belongs to superfile tab added

Add a tab that displays any superfiles that the subfile may belong to.
There can be multiple superfiles that a subfile can belong to so adding a tab
to show multiples if needed.

Signed-off by: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Merge pull request #6642 from miguelvazq/HPCC-12468

HPCC-12468 Belongs to superfile tab added

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>