HPCC-9651 Move Timings TreeMap to new Graphs list

Double clicking TreeMap SubGraph Item will open graphs tab and select subgraph
item.

Fixes HPCC-9651
Fixes HPCC-9653

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #4688 from GordonSmith/HPCC-9651

HPCC-9651 Move Timings Treemap to new Graphs list

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>