Included CaloGeometry.h in eCone.h

[Teemperor]

We use CaloGeometry in this header, so we also need to include
the associated header to make this header parsable on its own.

[Teemperor]

Part of the work going on regarding the C++ modules migration of CMSSW (tracked as issue #15248). This PR is not meant to refactor things, but just to make these headers compile.

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/PR-21531/2292

[cmsbuild]

A new Pull Request was created by @Teemperor (Raphael Isemann) for master.

It involves the following packages:

Calibration/IsolatedParticles

@ghellwig, @arunhep, @cerminar, @cmsbuild, @franzoni, @lpernie can you please review it and eventually sign? Thanks.
@ghellwig, @mmusich, @tocheng this is something you requested to watch as well.
@davidlange6, @slava77 you are the release manager for this.

cms-bot commands are listed here

[ghellwig]

please test

[ghellwig]

+1
provided jenkins agrees

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs after it passes the integration tests. This pull request will now be reviewed by the release team before it's merged. @davidlange6, @slava77, @smuzaffar (and backports should be raised in the release meeting by the corresponding L2)

[davidlange6]

merge