[Bug]: Add magritrr and ggplot2 to imports

[svalvaro]

What happened?

Functions from these two packages are being imported, we need to add them to the DESCRIPTION --> Imports.
ggplot2 and magrittr

sessionInfo()

No response

Relevant log output

No response

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[donyunardi]

Duplicate of #786

Thanks for reporting and yes, we need to fix this.
I'm closing this because there are more contents on the other issue.