“Rode NT-USB” is a mono microphone, but there is a stereo-effect on those attachments:
the tracks are not identical, (not dual-mono).
You can instruct Audacity to record in mono in preferences, ( choose “1 channel”).
I’m not claiming this will cure your clicking problem, but is worth a try.
( Paul-L’s de-clicker plug-in is designed to be used on mono tracks,
If applied to stereo-tracks, unwanted spatial effects can occur ).