[CP #1650 > support/v5.13] [core] Fix bug in frequency calculator that will reset the frequency to 0.0 even though data is still incoming.

[eclipse-ecal-bot]

Cherry-pick failed

Cherry-picked PR #1650 to branch support/v5.13.
The cherry-pick has failed.

The following files have caused conflicts:

testing/ecal/util_test/src/util_test.cpp

Resolving

Please resolve conflicts manually. You can use this PR and branch to your convenience.

git fetch origin
git checkout -b local/cherry-pick/a58f6af/support/v5.13 origin/support/v5.13
git branch -u origin/cherry-pick/a58f6af/support/v5.13
git cherry-pick bd3bfc3481e5c3543f783d83d4ff70ea3b285a54..a58f6afa44e53ce3c5978bcea1b6fd5be9c9ef62

# Resolve conflicts and use
#     git cherry-pick --continue
# until all conflicts are resolved.

git push -f origin HEAD:cherry-pick/a58f6af/support/v5.13

After resolving all conflicts, rebase-merge this PR.