uninitialised PackedCandidate mass()

[mariadalfonso]

in miniAODv2-UL
PackedCandidate have sometime uninitialized mass() i.e. 10^-7 10^-15 ...

Initially spotted for Photons at nanoAOD level
http://dalfonso.web.cern.ch/dalfonso/NANO/massDump.txt
but then noted that already at MINIAOD we have such cases

[mariadalfonso]

assign xpog

[cmsbuild]

A new Issue was created by @mariadalfonso .

@Dr15Jones, @perrotta, @dpiparo, @makortel, @smuzaffar, @qliphy can you please review it and eventually sign/assign? Thanks.

cms-bot commands are listed here

[cmsbuild]

New categories assigned: xpog

@mariadalfonso,@gouskos,@fgolf you have been requested to review this Pull request/Issue and eventually sign? Thanks

[mariadalfonso]

@cms-sw/egamma-pog-l2
please take note of this effect

[swagata87]

Adding in the loop the particle-flow convenors @cms-sw/pf-l2 , and egamma nanoAOD contact @rgoldouz

[swagata87]

Addressed in #36954

[swagata87]

type egamma

[perrotta]

Addressed in #36954

Thank you @swagata87

@mariadalfonso I think this issue can be closed now

[mariadalfonso]

+xpog

[cmsbuild]

This issue is fully signed and ready to be closed.