Merge TrigFTKFastSim algorithm into master

This MR picks the changes from !23656 (merged), !23695 (merged) and !23767 (merged) which targeted 21.3 into master.

The only change with respect to the MRs above is using DECLARE_COMPONENT in the TrigFTKFastSim_entries.cxx (04a0b266)

This merge request affects 3 packages:

• Trigger/TrigFTK/TrigFTKFastSimTruth
• Trigger/TrigFTK/TrigFTKSim
• Trigger/TrigTools/TrigFTKToolInterfaces

Adding @jahreda ,@jkuechle ,@benhoob ,@mswiatlo ,@karolos as watchers

added Trigger master review-pending-level-1 labels

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-24774-2019-07-10-15-38
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 1036]

Looks ok to me, but asking L2 to check since it's a large change.--MR L1

added review-pending-level-2 label and removed review-pending-level-1 label

Approving as this is just a manual sweep.

Tadej (L2)

added review-approved label and removed review-pending-level-2 label

merged

mentioned in commit 3287512d

added sweep:ignore label