Change the default ctag value to be true for truth c-jets

[prbbing]

Set the default ctag value for truth c-jet to True

Context:

When testing the c-tagging functionality, it was found that the default c-tag value is not set to "true" for truth c-jets. As the default tagger logic is to set the c-tag to false when the criterion is met, this feature prevents the c-tagging from working out of the box (one can still makes it work by modifying the user code).

Description of the Change:

Adding a similar line in btagger.cpp as it was done for b-tagging b-jets solves the above issue, allowing us to perform c-tagging properly.

Benefits:

Now if one loads a customized card involving c-tagging, the code generated by default works out of the box.

Possible Drawbacks:

Related GitHub Issues: