HPCC-11133 Fix missing tooltips from main icons

Fixes HPCC-11133

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5650 from GordonSmith/HPCC-11133

HPCC-11133 Fix missing tooltips from main icons

Reviewed-By: Kevin Wang <kevin.wang@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>