Mod Tag Namespace doesn't work (bug)

Issue description

Recently been very active with this software, but I came up on a problem in a 2 places now, the Mod tag namespace doesn't seem to work, however using the Minecraft tag namespace does. I think this is bugged so unless I'm missing something please consider looking into the issue :D

Issue comments

When possible, attach your MCreator workspace (preferably a minimal example workspace required to reproduce the bug; use File -> Export workspace to a shareable ZIP...), game or build logs (full logs, do not crop them, in text format, screenshots of logs are not acceptable) from the Console tab or terminal and steps to reproduce the bug in your workspace. If logs are long, use service such as Pastebin to host the log and provide the link to the log from the ticket. Please specify which mod elements to check in your workspace too, if applicable.

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